The 990 Series provides advanced vibration monitoring for industrial machinery. We supply sensors, modules, and spare parts to maintain equipment reliability.
Bently Nevada 990 Series
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Bently Nevada Bently Nevada 127461-01 Rack Mount Unit Module
Bently Nevada 127461-01 Rack Mount Unit Module Configured for rack integration and machinery monitoring hardware installation, the Bently Nevada 127461-01 (127461-01 Rack Mount Unit Module) provides mechanical support and electrical integration within Bently Nevada monitoring rack platforms. Hardware Specifications Parameter Specification Model 127461-01 Brand Bently Nevada Product Type Rack Mount Unit Module Origin USA Weight Approx. 0.25 kg - 0.6 kg (configuration dependent) Dimensions Not specified by manufacturer Operating Temp -40 deg C to +85 deg C Power Consumption Passive rack mounting component; no independent power consumption specified Mounting Type Rack mounting System Integration Bently Nevada rack-based monitoring systems Application Machinery condition monitoring and vibration monitoring hardware integration Communication Interface System-dependent rack communication interface Installation Location Industrial control cabinets and monitoring racks Eddy-Current Monitoring Rack Integration The 127461-01 module provides the physical rack interface required for Bently Nevada monitoring system assemblies. It supports installation alignment between monitoring hardware modules and the rack structure used for vibration and machinery protection applications. Within Bently Nevada TSI and machinery monitoring architectures, rack assembly design maintains signal routing organization for proximity probe inputs, vibration measurement channels, and diagnostic modules. The rack structure supports controlled module positioning and reduces wiring complexity during system integration. Frequently Asked Questions Q: Does the 127461-01 provide independent signal measurement functions?A: No. The 127461-01 is a rack mount unit module designed for hardware installation and system integration. Measurement processing is performed by compatible monitoring modules installed within the rack system. Q: Can the 127461-01 be installed in any industrial rack system?A: No. The module is intended for compatible Bently Nevada rack assemblies. Installation should verify mechanical fit, electrical interface compatibility, and system configuration requirements. Q: Does the 127461-01 require separate power wiring?A: The module does not have an independently specified power supply requirement. Power and communication functions depend on the installed monitoring rack configuration. Field Installation Guidelines Install the module only in a compatible Bently Nevada rack assembly. Verify rack slot allocation and mechanical alignment before inserting connected monitoring hardware. Maintain proper cabinet grounding practices for installed monitoring modules and signal wiring. Separate vibration signal cables from high-current power cables to reduce electrical interference. Confirm rack communication connections and module positioning during commissioning. Follow the applicable Bently Nevada system installation documentation for configuration procedures.
$200.00 $100.00
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Bently Nevada Bently Nevada 176449-07 3500/77M Reciprocating Cylinder Pressure Monitor
Bently Nevada 176449-07 3500/77M Reciprocating Cylinder Pressure Monitor The Bently Nevada 176449-07, also cataloged as the 176449-07 3500/77M Reciprocating Cylinder Pressure Monitor, operates as a dedicated hardware component for cylinder pressure measurement within Bently Nevada 3500 monitoring systems. It processes pressure transducer inputs to calculate compressor cylinder parameters, including peak pressure, minimum pressure, and compression ratio values. Hardware Specifications Parameter Specification Model 176449-07 Brand Bently Nevada Product Type 3500/77M Reciprocating Cylinder Pressure Monitor System Platform Bently Nevada 3500 Series Monitoring System Application Reciprocating compressor cylinder pressure monitoring Input Type Piezoelectric pressure transducer input Number of Channels 4 pressure measurement channels Measurement Functions Suction pressure, discharge pressure, peak pressure, minimum pressure, compression ratio Mechanical Calculations Peak rod compression, peak rod tension, rod reversal detection Output Signal 4-20 mA Communication Interface Modbus / Ethernet Power Supply 24 VDC Power Consumption 25 W Operating Temp -20 deg C to +70 deg C Humidity Up to 95% RH, non-condensing Dimensions Approx. 241.3 mm x 24.4 mm x 99.1 mm Weight Approx. 0.20 kg Origin USA Eddy-Current and Pressure Signal Processing Features The 3500/77M monitor receives dynamic cylinder pressure signals from approved Bently Nevada pressure transducers and performs signal conditioning before measurement calculation. Moreover, the module applies TSI-oriented monitoring methods by validating sensor signal behavior and maintaining measurement accuracy for rotating machinery analysis. The module supports compressor mechanical evaluation through pressure waveform processing. Therefore, it can calculate rod load related parameters, including peak compression, peak tension, and rod reversal conditions. The signal processing architecture is designed for separation of pressure measurement channels and suppression of measurement interference during machine operation. Frequently Asked Questions Q: How many pressure measurement channels are available on the 176449-07?A: The module provides four independent pressure measurement channels for reciprocating compressor cylinder monitoring. Q: What type of pressure sensors can connect to this monitor?A: The module accepts approved piezoelectric pressure transducers designed for Bently Nevada reciprocating compressor monitoring applications. Q: Does the module support communication with external control systems?A: The module supports Modbus and Ethernet communication interfaces for integration with compatible monitoring and control networks. Field Installation Guidelines Install the 176449-07 module in a compatible Bently Nevada 3500 rack configuration. Verify rack power availability and confirm the 24 VDC supply connection before commissioning. Use shielded cables for pressure transducer wiring and connect cable shields according to site grounding practices. Separate sensor signal wiring from high-voltage power cables to reduce electrical interference. Configure pressure measurement parameters and alarm thresholds according to the compressor operating requirements. Verify input signals and calculated pressure values after installation.
$200.00 $100.00
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Bently Nevada Bently Nevada 143729-01 Cylinder Pressure I/O Module
Bently Nevada 143729-01 Cylinder Pressure I/O Module The Bently Nevada 143729-01, also cataloged as the 143729-01 Cylinder Pressure I/O Module, operates as a dedicated hardware component for cylinder pressure signal acquisition within Bently Nevada machinery monitoring systems. It processes analog pressure inputs and provides conditioned output signals for combustion and reciprocating equipment analysis. Hardware Specifications Parameter Specification Model 143729-01 Brand Bently Nevada Product Type Cylinder Pressure I/O Module Origin USA Weight 0.16 kg Dimensions 19 x 18 x 2 cm Operating Temp -40 deg C to +85 deg C Humidity 0-95% RH, non-condensing Vibration Resistance Up to 5 g RMS per ISO 10816 Supply Voltage 24 VDC +/-10% Power Consumption <10 W typical Input Voltage Range +/-10 V, 0-5 V Input Current Range 4-20 mA Excitation Voltage 24 VDC Output Type Analog 4-20 mA Accuracy +/-0.1% FS Resolution 16-bit or higher Bandwidth DC to 20 kHz Tariff Code 8537101190 Place of Shipment Xiamen, China Estimated Shipping Size 19 x 18 x 2 cm Eddy-Current Signal Processing and Rotor Dynamics Interface The Bently Nevada 143729-01 module handles cylinder pressure measurement signals through analog conditioning circuits designed for machinery diagnostic applications. The module supports voltage and current input channels, including 4-20 mA instrumentation signals, and converts measured pressure data into standardized analog outputs. Moreover, the module operates with measurement characteristics required for reciprocating machinery analysis, where pressure waveform accuracy affects combustion evaluation and mechanical condition monitoring. Signal bandwidth up to DC to 20 kHz supports dynamic pressure acquisition, while the 16-bit or higher resolution improves measurement granularity. The module design follows Bently Nevada machinery monitoring practices, including signal integrity management for sensor interfaces. Input conditioning reduces measurement interference during high-vibration operation, while calibrated signal processing supports consistent pressure data interpretation. Frequently Asked Questions Q: What input signal types does the 143729-01 support?A: The module supports voltage inputs of +/-10 V and 0-5 V, as well as 4-20 mA current input signals. Q: What power supply does the 143729-01 require?A: The module requires a 24 VDC power supply with a tolerance of +/-10% and typical power consumption below 10 W. Q: What environmental conditions support module operation?A: The module operates from -40 deg C to +85 deg C with 0-95% RH non-condensing humidity and vibration resistance up to 5 g RMS per ISO 10816. Field Installation Guidelines Install the 143729-01 module in a controlled industrial enclosure that maintains the specified operating temperature and humidity limits. Use appropriate grounding practices to minimize electrical noise on analog signal circuits. Route pressure sensor wiring separately from high-current power cables and switching circuits. Connect cable shields according to the system grounding design to reduce electromagnetic interference. Verify the 24 VDC supply polarity before energizing the module. Confirm input signal scaling and analog output calibration during commissioning to ensure correct pressure measurement data transmission.
$200.00 $100.00
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Bently Nevada Bently Nevada 3701/60A Wind Turbine Monitor
Bently Nevada 3701/60A Wind Turbine Monitor Configured for wind turbine vibration and condition monitoring signal acquisition, the Bently Nevada 3701/60A (3701/60A Wind Turbine Monitor) provides direct physical and electrical execution for analog input processing, relay control, and industrial communication interfaces. Hardware Specifications Parameter Specification Model 3701/60A Brand Bently Nevada Product Type Wind Turbine Monitor Origin USA Weight 0.86 kg Dimensions 48.1 x 27.3 x 26.5 cm (shipping size) Operating Temp -40 deg C to +70 deg C Humidity 0-100% RH Vibration Resistance 5g (10-500 Hz) Input Power 24 VDC (+/-10%) or 100-240 VAC Power Consumption <20 W typical Analog Inputs 4-20 mA, +/-10 V, IEPE (2-wire) Relay Outputs 4 x SPDT, 5 A at 250 VAC Communication Ethernet, Modbus TCP/RTU Tariff Code 8537101190 Eddy-Current Monitoring and Rotor Dynamic Signal Processing The Bently Nevada 3701/60A applies mechanical monitoring functions for wind turbine equipment by processing vibration-related analog signals from connected field sensors. The monitor supports IEPE sensor inputs and voltage/current signal measurement for condition monitoring applications. The device architecture supports signal validation functions associated with rotating machinery monitoring, including sensor scaling and measurement verification. Eddy-current monitoring systems typically evaluate displacement behavior, shaft movement, and rotor dynamic conditions through calibrated input signals. The monitor design also considers signal integrity requirements for rotating equipment environments, where proper sensor installation and cable routing help reduce electrical interference and cross-talk effects between measurement channels. Frequently Asked Questions Q: What input signal types can the 3701/60A process?A: The monitor accepts 4-20 mA, +/-10 V, and IEPE (2-wire) analog input signals for connected monitoring sensors. Q: What communication interfaces are available on the 3701/60A?A: The device provides Ethernet communication and supports Modbus TCP/RTU protocols for system integration. Q: What power supply options are supported by the monitor?A: The 3701/60A supports 24 VDC (+/-10%) and 100-240 VAC input power configurations. Field Installation Guidelines Install the monitor in a protected industrial enclosure suitable for the specified operating temperature range. Connect signal cables using proper shielding and grounding practices to reduce electrical noise interference. Separate analog sensor wiring from high-voltage power cables to minimize induced signal distortion. Verify sensor polarity, input configuration, and communication wiring before applying operating power. Confirm relay output wiring matches the connected control circuit voltage and current requirements.
$200.00 $100.00
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Bently Nevada Bently Nevada P3403893-0416 990 Series Vibration Transmitter
Bently Nevada P3403893-0416 990 Series Vibration Transmitter The Bently Nevada P3403893-0416, also cataloged as the P3403893-0416 990 Series Vibration Transmitter, operates as a dedicated hardware component for converting vibration signals into 4-20 mA outputs within industrial machinery monitoring systems. Hardware Specifications Parameter Specification Model P3403893-0416 Brand Bently Nevada Product Type Vibration Transmitter Series 990 Series Origin USA Weight Approximately 0.55 kg Dimensions Approximately 7.5 cm x 6 cm x 10 cm Operating Temp -40 deg C to +85 deg C Power Consumption Less than 25 mA Measurement Input Compatible vibration sensor input Output Signal 4-20 mA DC, 2-wire loop powered Supply Voltage 12-35 VDC Load Resistance Up to 600 ohms Frequency Response 3 to 1,000 Hz typical configuration Enclosure Rating IP65 / NEMA 4X type housing, configuration dependent Eddy-Current Measurement and Rotor Dynamics Interface The P3403893-0416 processes vibration signals from compatible Bently Nevada sensing systems and converts dynamic mechanical movement into a proportional 4-20 mA current signal. The transmitter interface supports vibration measurement chains based on eddy-current probe technology, where probe scaling and signal conditioning define the relationship between shaft displacement and electrical output. The device is applied in machinery monitoring loops where rotor dynamics analysis requires continuous vibration trend data. Proper probe installation requires verification of probe gap conditions and signal integrity. Bently Nevada proximity systems commonly reference -10 VDC gap voltage targets for standard eddy-current probe operating points. Signal processing design considers measurement stability, sensor response characteristics, and cross-talk suppression requirements within vibration monitoring installations. These functions allow integration with PLC, DCS, and condition monitoring platforms for analog vibration data acquisition. Frequently Asked Questions Q: What type of electrical output is provided by the P3403893-0416?A: The transmitter provides a 4-20 mA DC output through a two-wire loop-powered connection for vibration monitoring circuits. Q: Does the P3403893-0416 require a separate vibration monitoring module?A: The transmitter provides a conditioned analog output and can connect directly to compatible PLC, DCS, or monitoring input channels that accept 4-20 mA signals. Q: What sensor technology is associated with this transmitter?A: The unit is designed for use with compatible Bently Nevada vibration sensing systems, including configurations based on eddy-current proximity measurement technology. Field Installation Guidelines Install the transmitter in a location protected from excessive mechanical shock, moisture, and contamination. Use shielded instrumentation cable for signal wiring where required by the plant grounding practice. Connect cable shields according to site grounding standards to reduce electrical interference. Verify sensor wiring polarity and loop power availability before commissioning. Confirm vibration sensor gap settings and signal scaling before connecting the transmitter output to the control system. Maintain separation between low-level vibration signal wiring and high-voltage power cables.
$200.00 $100.00
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Bently Nevada Bently Nevada 990-04-50-01-00 Vibration Transmitter
Bently Nevada 990-04-50-01-00 Vibration Transmitter The Bently Nevada 990-04-50-01-00, also cataloged as the 990-04 Vibration Transmitter, operates as a dedicated hardware component for vibration signal conversion and mechanical condition monitoring within Bently Nevada vibration monitoring systems. Hardware Specifications Parameter Specification Model 990-04-50-01-00 Brand Bently Nevada Product Type Vibration Transmitter Origin USA Weight 0.44 kg Dimensions 10 x 7.5 x 5.6 cm Operating Temp Not specified Power Consumption Current output limitation: 23 mA typical Full-scale Option 0-4 mils pp (0-100 um pp) System Length Option 5.0 metres (16.4 feet) Mounting Option 35 mm DIN rail clips Agency Approval Option Not required Output Signal Limiting 23 mA typical current limiting Application Interface Vibration measurement signal transmission Eddy-Current Measurement and Mechanical Vibration Monitoring The 990-04-50-01-00 transmitter processes vibration input signals from compatible eddy-current proximity measurement systems and converts mechanical shaft displacement data into proportional electrical output signals. Moreover, the module maintains measurement scaling based on the selected full-scale range of 0-4 mils pp (0-100 um pp). The transmitter supports vibration monitoring applications where rotor displacement information requires conversion into an industrial monitoring signal. Therefore, proper probe configuration, cable routing, and signal grounding directly influence measurement accuracy. The Bently Nevada vibration monitoring architecture uses eddy-current probe scaling methods and gap voltage validation principles for mechanical condition analysis. In addition, the probe system typically references gap voltage targets around -10 VDC to confirm correct probe operating position and measurement range. Frequently Asked Questions Q: What vibration measurement range does the 990-04-50-01-00 support?A: The configured full-scale measurement option is 0-4 mils pp (0-100 um pp). Q: What mounting method does this vibration transmitter use?A: The unit uses 35 mm DIN rail clips for mechanical installation. Q: Does the transmitter provide current limiting protection?A: Yes. The output circuit includes current limiting with a typical value of 23 mA. Field Installation Guidelines Install the 990-04-50-01-00 on a suitable 35 mm DIN rail mounting structure and verify mechanical fixation before connecting field wiring. Use shielded signal cables where required by the monitoring system design. Connect cable shields according to the plant grounding standard to reduce electrical interference. Route vibration signal wiring separately from high-voltage power cables and switching circuits. In addition, confirm proximity probe wiring polarity, cable continuity, and terminal identification before system commissioning. Verify the configured system length option of 5.0 metres (16.4 feet) matches the connected probe extension arrangement. Perform signal validation after installation to confirm correct vibration measurement behavior.
$200.00 $100.00
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Bently Nevada Bently Nevada 990-05-XX-01-00 Vibration Transmitter Module
Bently Nevada 990-05-XX-01-00 Vibration Transmitter Module Configured for vibration signal conditioning in machinery protection systems, the Bently Nevada 990-05-XX-01-00 MOD:167577-07 (990-05-XX-01-00 Vibration Transmitter Module) provides direct physical/electrical execution for radial vibration conversion from proximity probe inputs into proportional DC output signals. Suffix Breakdown & Model Matrix 05: Full-scale range 0-5 mils pp (0-125 um pp) 50: System length 5.0 m (16.4 ft) 70: System length 7.0 m (23.0 ft) 01: 35 mm DIN rail mounting clips 00: No agency approval requirement Hardware Specifications Parameter Specification ModelBrand Bently Nevada 990-05-XX-01-00 MOD:167577-07 Origin USA Weight 0.5 kg Dimensions 10 x 7.4 x 6 cm OperatingTemp Not specified PowerConsumption 12 to 35 VDC input (transmitter terminal) MeasurementRange 0-5 mils pp (0-125 um pp) SystemLengthOptions 5.0 m / 7.0 m Mounting 35 mm DIN rail clips Eddy Current Scaling and Gap Voltage Validation Layer The module interfaces with eddy-current proximity probe systems where displacement scaling is derived from calibrated probe gap sensitivity. Signal conditioning logic maintains linear translation of mechanical shaft motion into proportional voltage output referenced to standard TSI scaling conventions. Gap voltage validation is maintained within negative bias operating regions (typically referenced around -10 VDC probe supply architecture), ensuring stable linear response across defined clearance ranges. Cross-channel interference is minimized through internal signal isolation and impedance-controlled input pathways, preserving measurement integrity under multi-channel machinery monitoring configurations. Frequently Asked Questions Q: Can this transmitter directly accept proximity probe raw signals without external conditioning?A: It is designed to interface with standard eddy-current probe systems, performing internal linearization and scaling prior to output conversion. Q: What mounting constraint applies to DIN rail installation?A: The device is mechanically secured on a 35 mm DIN rail system; installation requires stable rail grounding and controlled vibration environment to avoid mechanical coupling artifacts. Q: Does system length selection affect signal attenuation behavior?A: Yes, probe system length influences capacitance and scaling characteristics, requiring correct configuration matching to preserve calibrated output response. Field Installation Guidelines Install on grounded 35 mm DIN rail with low impedance earth connection Maintain separation from high voltage switching conductors to reduce EMI coupling Ensure probe cable routing avoids sharp bends and mechanical stress points Verify correct system length configuration prior to energizing transmitter Confirm stable +12 to +35 VDC supply with minimal ripple for measurement stability
$200.00 $100.00
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Bently Nevada Bently Nevada 990-04-50-01-CN Vibration Transmitter
Bently Nevada 990-04-50-01-CN Vibration Transmitter Configured for vibration signal conditioning in rotational machinery monitoring feedback loops within Bently Nevada proximity and TSI measurement networks, the Bently Nevada 990-04-50-01-CN (990 Vibration Transmitter) provides direct electrical conversion of displacement input signals into proportional output used for continuous mechanical condition assessment. The device operates with full-scale scaling from 0-4 mils pp (0-100 um pp) and supports a measurement range of +/- 50 mils (1.27 mm). Suffix Breakdown & Model Matrix 990: Vibration Transmitter platform 04: Full-scale range option 0-4 mils pp (0-100 um pp) 50: System length option 5.0 meters (16.4 feet) 01: Mounting option 35 mm DIN rail clip system CN: Shipment configuration identifier Hardware Specifications Parameter Specification ModelBrand Bently Nevada 990-04-50-01-CN Origin USA Weight 0.44 kg Dimensions 10 x 7.5 x 5.6 cm OperatingTemp Not specified PowerConsumption Not specified Measurement Range +/- 50 mils (1.27 mm) Full-scale Output 0-4 mils pp (0-100 um pp) System Length 5.0 m (16.4 ft) Mounting 35 mm DIN rail clips Frequency Response DC to 10 kHz Eddy-Current Scaling and Signal Conditioning Behavior The 990 platform applies eddy-current probe scaling logic to convert raw displacement variations into normalized transmitter output. Signal linearization is maintained through calibrated gap voltage validation referencing a nominal -10 VDC scaling target range. Cross-talk suppression is implemented at the analog conditioning stage to reduce interference between adjacent proximity channels in multi-probe installations. The signal chain is optimized for stable amplitude response under varying rotor dynamic conditions, ensuring consistent phase integrity across DC to 10 kHz bandwidth. Frequently Asked Questions Q: Can the 990-04-50-01-CN support hot-swap replacement in energized systems?A: The module is not designed for hot-swap operation. Installation and removal should be performed under de-energized conditions to avoid signal disruption and probe bias instability. Q: What is the input compatibility for proximity probe signals?A: The transmitter is designed for eddy-current proximity probe inputs with calibrated scaling aligned to Bently Nevada displacement measurement architecture. Q: Does system length affect signal attenuation performance?A: The 5.0 m system length is fixed for this configuration. Signal integrity is maintained through factory-calibrated impedance matching within the specified length. Field Installation Guidelines Ensure DIN rail mounting maintains mechanical rigidity without torsional stress on the transmitter housing. Maintain separation between signal cabling and high-voltage conductors to reduce electromagnetic coupling. Shield termination should be grounded at a single point to avoid ground loop formation. Probe extension cabling must be routed without sharp bends exceeding standard industrial minimum bend radius recommendations. Verify proper probe gap voltage stabilization prior to commissioning.
$200.00 $100.00
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Bently Nevada Bently Nevada 990-05-50-02-00 Vibration Transmitter
Bently Nevada 990-05-50-02-00 Vibration Transmitter Configured for continuous vibration signal conditioning in TSI monitoring chain, the Bently Nevada 990-05-50-02-00 (990-05-50-02-00 Vibration Transmitter) provides direct physical/electrical execution. Suffix Breakdown & Model Matrix 05: 0–5 mils pp (0–125 μm pp) full-scale range 50: 5.0 meters (16.4 feet) system length option 02: Bulkhead screw mounting configuration 00: No agency approval required option Hardware Specifications Parameter Specification ModelBrand Bently Nevada 990-05-50-02-00 Origin USA Weight 0.44 kg Dimensions 9.8 × 7.3 × 6 cm OperatingTemp Not specified PowerConsumption 12–35 VDC input (terminal supply range) Measurement Range 0–5 mils pp (0–125 μm pp) System Length 5.0 m (16.4 ft) Mounting Type Bulkhead screws Agency Approval Not required Eddy-Current Scaling and Cross-Talk Suppression Architecture The transmitter is designed for eddy-current proximity probe interface scaling, converting probe gap variation into conditioned vibration output proportional to shaft displacement amplitude. Signal processing path includes internal scaling aligned with standardized probe sensitivity curves. Gap voltage validation is referenced against nominal -10 VDC baseline operating region for linearized displacement tracking. Cross-talk suppression logic is implemented at signal conditioning stage to reduce channel interference in multi-probe installations within shared mechanical housings. Rotor dynamics response is maintained through fixed bandwidth conditioning optimized for steady-state and transient vibration envelope tracking. Frequently Asked Questions (FAQ) Q: Can the unit be integrated with standard Bently Nevada proximity probe systems?A: Yes. It is designed for eddy-current probe signal conditioning with compatible system-length scaling. Q: Does the transmitter support hot-swapping of field wiring?A: No hot-swap mechanism is specified. Field wiring should be de-energized prior to termination or removal. Q: What limitation exists on system cable length?A: System length is fixed at 5.0 meters according to configuration code 50. Field Installation Guidelines Mount the transmitter using bulkhead screw points on a mechanically stable surface with minimal vibration coupling to the enclosure. Ensure probe cable routing avoids high EMI conductors and switching power lines. Maintain consistent shielding continuity across probe extension cables, with single-point grounding at control cabinet entry to prevent ground loop formation. Terminal tightening should follow standard industrial torque practices appropriate for low-voltage signal wiring. Avoid sharp bends in the 5.0 m system cable assembly to preserve impedance stability and reduce signal attenuation risk.
$200.00 $100.00
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Bently Nevada Bently Nevada 990-08-XX-01-CN Vibration Transmitter
Bently Nevada 990-08-XX-01-CN Vibration Transmitter Configured for vibration signal conditioning and loop transmission in Bently Nevada machinery condition monitoring systems (TSI), the Bently Nevada 990-08-XX-01-CN (990-08 Vibration Transmitter) provides direct physical/electrical execution. Suffix Breakdown & Model Matrix The designation 990-08-XX-01-CN is a fixed ordering configuration string within the 990 series transmitter family. 990: Vibration transmitter platform 08: Series variant defining mechanical and electrical configuration XX: Internal configuration placeholder (factory-defined options) 01: Output / interface revision level CN: Compliance / regional configuration code No additional structured decoding is defined in the supplied technical data. Hardware Specifications Parameter Specification Model 990-08-XX-01-CN Brand Bently Nevada Origin USA Weight 0.44 kg Dimensions 10 cm x 7.5 cm x 5.2 cm OperatingTemp Not specified PowerConsumption Not specified (Requires +12 to +35 Vdc input) Output Interface Loop powered transmitter Loop Resistance Up to 1,000 ohm including cable at 35 Vdc Current Limiting 23 mA typical Mounting 35 mm DIN rail clip compatible Input Type Vibration transmitter signal conditioning Eddy-Current Signal Scaling & TSI Conditioning Layer The 990-08 platform integrates signal conditioning behavior aligned with machinery vibration monitoring chains where eddy-current probe scaling is normalized at the transmitter stage. The loop output is designed to maintain stable proportional translation of probe gap variation into conditioned current output. Gap voltage validation behavior is referenced against negative DC bias reference levels typical in proximity transducer systems (e.g., -10 VDC target alignment). Cross-channel interference suppression is implemented through internal filtering of high-frequency mechanical noise components to preserve rotor dynamic fidelity within TSI architectures. Frequently Asked Questions Q: Can the 990-08-XX-01-CN operate in a hot-swappable loop configuration?A: The device is loop-powered and does not define hot-swap capability in the supplied specification. Electrical isolation of the loop must be maintained during installation or removal. Q: What is the maximum allowable loop resistance for signal integrity?A: Maximum loop resistance is specified as 1,000 ohm including cable resistance at 35 Vdc supply conditions. Q: Does the transmitter require external signal conditioning hardware?A: The unit performs onboard vibration signal conditioning; external conditioning is not required for standard loop output operation. Field Installation Guidelines The transmitter shall be mounted on a standard 35 mm DIN rail using the integrated clip mechanism. Ensure mechanical locking is fully engaged to prevent vibration-induced displacement. Loop wiring must be routed using shielded twisted pair conductors with the shield terminated at a single-point ground reference to avoid ground loop currents. Maintain separation between power conductors and low-level signal wiring to reduce electromagnetic coupling. Terminal torque must follow standard industrial control wiring practice to ensure stable contact resistance over long-term operation.
$200.00 $100.00
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Bently Nevada 990-05-XX-01-00 Vibration Transmitter Module | Bently Nevada
Bently Nevada 990-05-XX-01-00 Vibration Transmitter Module Configured for vibration signal conditioning in machinery monitoring loops, the Bently Nevada 990-05-XX-01-00 MOD:165335-01 (990-05-XX-01-00) vibration transmitter provides direct physical/electrical execution. The unit interfaces with a Bently Nevada 3300 NSv proximity probe system, converting eddy-current gap displacement input into a proportional 4-20 mA output representing peak-to-peak vibration amplitude. SuffixBreakdown&ModelMatrix 05: Full-scale vibration range selection (0-5 mils pp / 0-125 μm pp) XX: System configuration placeholder for probe/cable compatibility set 01: DIN rail mounting option (35 mm rail clip) 00: No agency approval option applied MOD:165335-01: Manufacturer modification/assembly tracking code HardwareSpecifications Parameter Specification ModelBrand Bently Nevada 990-05-XX-01-00 MOD:165335-01 Origin USA Weight 0.45 kg Dimensions 10 x 7.4 x 6 cm OperatingTemp Not specified PowerConsumption Not specified Input Type 3300 NSv proximity probe + extension cable Output Signal 4-20 mA proportional vibration signal Measurement Range 0-5 mils pp (0-125 μm pp) Mounting 35 mm DIN rail clip Eddy-Current Probe Scaling & Gap Voltage Validation The transmitter performs eddy-current signal conditioning aligned with proximity probe linearization characteristics. Input gap voltage is scaled to a calibrated displacement reference, maintaining validation against nominal -10 VDC operating targets for probe driver linear region compliance. Signal integrity relies on controlled impedance matching between probe, extension cable, and transmitter input stage. Cross-talk suppression is implemented through internal filtering to preserve rotor dynamic measurement fidelity under multi-channel proximity monitoring configurations. Frequently Asked Questions Q1: Does the module accept direct vibration accelerometer input?A1: No. The device is designed exclusively for eddy-current proximity probe systems (Bently Nevada 3300 NSv) and does not support IEPE or accelerometer inputs. Q2: What is the output signal format to the control system?A2: The transmitter provides a loop-powered 4-20 mA analog signal proportional to peak-to-peak shaft vibration displacement. Q3: Is the system length selectable in the field?A3: No. System length selection (5.0 m or 7.0 m) is defined by model configuration and must match probe and extension cable assembly at installation. Field Installation Guidelines Install on a standard 35 mm DIN rail with secure mechanical retention of clip interface. Maintain separation between probe signal wiring and high-voltage conductors to reduce electromagnetic coupling. Ensure proper shielding termination at designated ground reference point; avoid multiple ground loops in signal return path. Verify correct matching of probe, extension cable, and transmitter configuration code prior to energization. Observe linear operating region of proximity probe driver to prevent saturation-induced measurement distortion.
$200.00 $100.00
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Bently Nevada 990-04-XX-01-00 Vibration Transmitter Module | Bently Nevada
Bently Nevada 990-04-XX-01-00 Vibration Transmitter Module The Bently Nevada 990-04-XX-01-00 MOD:147202-01 also cataloged as the 990-04-XX-01-00 Vibration Transmitter operates as a dedicated hardware component for vibration amplitude conversion and 4-20 mA loop signal conditioning within the Bently Nevada 990 monitoring channel. Configured for direct electrical execution of vibration measurement signal conditioning in the 990 transmitter loop architecture, the Bently Nevada 990-04-XX-01-00 MOD:147202-01 (990-04-XX-01-00 Vibration Transmitter) provides analog output conversion without embedded processing layers. Suffix Breakdown & Model Matrix 990: Vibration transmitter series platform 04: 0–4 mils peak-to-peak measurement range (0–100 um pp) XX: Configuration variant placeholder (system-dependent selection) 50 / 70 (optional variants in series context): Cable length configuration (meters/feet scaling) 01: DIN rail mounting clip configuration (35 mm DIN rail) 00: No additional option module installed MOD:147202-01: Reference module assembly identifier (RMOD4140 / 3300XL 8 mm / 5 m association noted in provided dataset) Hardware Specifications Parameter Specification ModelBrand Bently Nevada 990-04-XX-01-00 MOD:147202-01 Origin USA Weight 0.44 kg Dimensions 7.3 x 5 x 10 cm Frequency Response 5 Hz to 6000 Hz (+0 / -3 dB) Loop Resistance 1000 ohm maximum (including cable at 35 Vdc) Current Limiting 23 mA typical Measurement Range 0–4 mils pp (0–100 um pp) Mounting 35 mm DIN rail clip (01 option) Eddy-Current Probe Scaling and Signal Conditioning Behavior The 990 transmitter architecture is aligned with eddy-current proximity probe scaling conventions, translating mechanical shaft vibration displacement into proportional loop current output. Gap voltage validation is implicitly referenced through the -10 VDC sensor operating domain typical of proximity probe front-end excitation stages. Signal conversion maintains linearity across the defined 5 Hz to 6000 Hz bandwidth, with cross-talk suppression achieved through localized loop isolation and constrained impedance loading within the 1000 ohm loop resistance envelope. Frequently Asked Questions Q: Does the device support hot-swap replacement during operation?A: No hot-swap capability is defined. Removal requires loop de-energization to prevent current interruption on the 4-20 mA output circuit. Q: What is the maximum allowable loop resistance impact on signal accuracy?A: The transmitter supports up to 1000 ohm total loop resistance including cable, referenced at a 35 Vdc supply condition. Q: Is firmware upgrade applicable to this transmitter model?A: No firmware layer is present. The unit operates as an analog signal conditioning device without programmable logic. Field Installation Guidelines Install on standard 35 mm DIN rail ensuring mechanical locking of the mounting clip (01 configuration). Maintain separation between input sensor wiring and output loop wiring to reduce induced coupling. Use shielded cabling for proximity probe inputs; terminate shield at single-point ground only. Verify loop supply voltage compatibility prior to energization (nominal 35 Vdc system constraint). Ensure loop resistance remains within specified 1000 ohm limit including total cable length contribution.
$200.00 $100.00
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Bently Nevada 990-05-50-01-CN Vibration Transmitter Module Bently Nevada
Bently Nevada 990-05-50-01-CN Vibration Transmitter Module Configured for real-time vibration signal conditioning in Bently Nevada 3300/3500 machinery protection architecture,the Bently Nevada 990-05-50-01-CN (990-05-50-01-CN Vibration Transmitter) provides direct physical/electrical execution for shaft vibration amplitude conversion and loop-based current transmission. The device converts proximity probe input signals into proportional 4-20 mA loop output representation of vibration displacement, supporting peak-to-peak measurement scaling across a defined mechanical monitoring range. SuffixBreakdown & Model Matrix 990: Vibration transmitter platform series 05: Configured measurement range variant 50: Signal scaling configuration index 01: Mechanical and mounting revision level CN: Certification package (CSA Division 2, ATEX Zone 0/Zone 2, ABS marine approval) HardwareSpecifications Parameter Specification ModelBrand Bently Nevada 990-05-50-01-CN Origin USA Weight 0.44 kg Dimensions 10 cm x 7.5 cm x 5.2 cm PowerConsumption +12 to +35 VDC input supply Vibration Measurement Range 0-5 mils pp (0-125 um pp) Loop Resistance Up to 1000 ohm including cable at 35 VDC Current Limiting 23 mA typical Mounting 35 mm DIN rail clip compatible Output Interface 2-wire loop current (4-20 mA proportional) Eddy-Current Probe Scaling and Signal Conditioning Integrity The 990 series transmitter applies eddy-current proximity probe scaling logic to convert gap displacement voltage into a normalized vibration amplitude representation. Input linearization is aligned with calibrated probe sensitivity curves, ensuring proportional mapping of mechanical shaft movement into loop current output. Gap voltage validation is implicitly bounded by expected negative DC bias operating regions of proximity systems (commonly referenced around -10 VDC probe biasing architectures). Signal conditioning circuitry maintains stability against cross-channel interference, reducing crosstalk between adjacent probe inputs in multi-channel monitoring assemblies. The loop output stage is designed for stable current regulation under varying cable impedance conditions up to 1000 ohm total loop resistance. Frequently Asked Questions Q1: Does the transmitter support direct hot-swap replacement in energized loop circuits?A1: The module is designed for loop-powered operation; however, replacement under energized conditions depends on system isolation practices and field wiring configuration. Signal interruption occurs during terminal disengagement. Q2: What is the maximum loop impedance before signal distortion occurs?A2: The specified limit is 1000 ohm including cable resistance at 35 VDC supply. Exceeding this threshold may result in current regulation degradation. Q3: Is firmware configuration required for scaling adjustment?A3: No firmware layer is indicated. Scaling is hardware-configured through factory calibration and model-specific range selection. Field Installation Guidelines Install on 35 mm DIN rail with mechanical locking clips fully engaged Maintain separation between signal wiring and high-energy conductors to minimize induced noise Ensure shield termination at single-point ground reference to prevent ground loop currents Verify correct polarity on 2-wire loop terminals before energizing supply Keep probe signal leads twisted and shielded along full routing path Avoid mechanical stress on terminal blocks during cable dressing and tightening
$200.00 $100.00
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Bently Nevada 990-04-50-02-00 Vibration Transmitter | Bently Nevada
Bently Nevada 990-04-50-02-00 Vibration Transmitter TheBently Nevada 990-04-50-02-00，also cataloged as the990-04-50-02-00 Vibration Transmitter, operates as a dedicated hardware component for converting proximity probe gap displacement signals into proportional 4-20 mA loop output within 990 machinery monitoring architectures. Suffix Breakdown & Model Matrix 04: Full-scale range option 0-4 mils pp (0-100 μm pp) 50: System length option 5.0 m (16.4 ft) probe cable 02: Mounting configuration bulkhead screw installation 00: No agency approval required configuration Hardware Specifications Parameter Specification ModelBrand Bently Nevada 990-04-50-02-00 Origin USA Weight 0.44 kg Dimensions 7.3 x 5 x 10 cm (estimated shipping size) Measurement Range 0-4 mils pp (0-100 μm pp) System Length 5.0 m (16.4 ft) Mounting Type Bulkhead screws Output Type 4-20 mA proportional vibration signal Eddy-Current Probe Scaling & Gap Voltage Validation Within the Bently Nevada 990 transmitter architecture, signal conditioning is aligned to eddy-current probe linearization curves, where shaft displacement is translated from AC eddy probe response into a calibrated DC loop output. The internal scaling stage maintains gap voltage validation referencing a nominal -10 VDC bias domain, ensuring linear translation of mechanical displacement into electrical signal representation. Cross-talk suppression is implemented at the input stage to reduce interference between adjacent probe channels in multi-channel machinery trains. Frequently Asked Questions Q1: Can the unit be hot-swapped during operation?A: The device is designed for fixed bulkhead installation. Electrical loop interruption is required prior to removal; no hot-swap mechanism is implemented at module level. Q2: Does the system length option affect signal accuracy?A: The 5.0 m system length is calibrated to maintain probe-to-transmitter impedance matching. Deviations beyond specified length require recalibration of scaling response. Q3: Is external power conditioning required?A: The transmitter operates on loop-powered architecture; external conditioning is dependent on host monitoring system loop design. Field Installation Guidelines Install using bulkhead screws with rigid mechanical support to prevent micro-vibration-induced drift Maintain coaxial integrity of probe cabling and avoid sharp bending radius below standard industrial cabling limits Ensure probe extension cable shielding is terminated at a single ground point to avoid ground loop interference Route signal wiring away from high-frequency drive or inverter cables to reduce induced noise coupling Verify loop continuity before system energization to prevent transient overcurrent conditions
$200.00 $100.00
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Bently Nevada Vibration Transmitter | 990-08-XX-03-00 | Bently Nevada
Bently Nevada 990-08-XX-03-00 Vibration Transmitter The Bently Nevada 990-08-XX-03-00, also cataloged as the 990 2-Wire Vibration Transmitter, operates as a dedicated hardware component for converting raw eddy-current proximity probe signals into a proportional 4-20 mA current loop output within machinery protection and control systems. Suffix Breakdown & Model Matrix Suffix Position Value Description 990 Series 2-Wire Vibration Transmitter 08 Full-Scale Option 0-8 mils pp (0-200 um pp) XX System Length Option 50 (5.0 meters) or 70 (7.0 meters) depending on exact probe and cable assembly length 03 Mounting Option 35 mm DIN rail clips 00 Agency Approval Option No approvals (Standard / Non-hazardous area) Hardware Specifications Parameter Specification Model Brand Bently Nevada 990-08-XX-03-00 Origin USA Weight Approx. 0.43 kg (0.9 lbm) Dimensions Not specified in source documentation Operating Temp -35 degC to +85 degC (-31 degF to +185 degF) Power Consumption 12 to 35 VDC (at the transmitter terminal) Input Signal Accepts 1 non-contacting 3300 NSv Proximity Probe and extension cable Output Signal 4 to 20 mA DC, proportional to full-scale peak-to-peak vibration Full Scale Range 0 to 8 mils pp (0 to 200 um pp) Accuracy Within +/-1.5% over specified full-scale range Frequency Response 5 Hz to 6,000 Hz (+/-3 dB) Incremental Scale Factor (ISF) 7.87 mV/um (200 mV/mil) +/-6.5% typical at the Prox Out port Current Limiting 23 mA typical Not OK Circuit Response Drops loop current to < 3.6 mA within 100 us of a fault Housing Material Aluminum (Potted construction for high moisture protection) Mounting 35 mm DIN rail mount (via option 03) Adjustments Non-interacting external Zero and Span potentiometers Storage Temperature -51 degC to +100 degC (-60 degF to +212 degF) Relative Humidity Up to 100% condensing, non-submerged (potted construction) Eddy-Current Probe Scaling and Gap Voltage Validation The 990 series integrates the proximitor sensor driver directly into the transmitter housing, conditioning the raw eddy-current signal from the 3300 NSv probe. The Incremental Scale Factor (ISF) is specified at 7.87 mV/um (200 mV/mil) with a typical tolerance of +/-6.5% at the Prox Out port. Gap voltage can be validated at the COM terminals, where a healthy probe gap typically presents a DC bias target of approximately -10 VDC. The transmitter provides dynamic vibration data extraction via a coaxial connector and dedicated PROX OUT / COM terminals for diagnostic verification using standard oscilloscopes or analyzers. Frequently Asked Questions Q: What is the probe length configuration for the XX suffix? A: The XX system length option must be specified at time of order as either 50 (5.0 meters) or 70 (7.0 meters), corresponding to the total probe and extension cable assembly length in the 3300 NSv system. Q: How does the Not OK circuit behave during probe failure? A: Upon probe disconnection or failure, the Not OK circuit forces the loop current below 3.6 mA within 100 microseconds, preventing false 4-20 mA alarm conditions in the downstream PLC or DCS. Q: Can the zero and span be adjusted in the field? A: Yes, the transmitter features non-interacting external Zero and Span potentiometers accessible without disassembling the potted housing. Field Installation Guidelines Mount the transmitter to a standard 35 mm DIN rail using the supplied clips (option 03). Ensure the aluminum housing is seated firmly to maintain mechanical stability. Route the 3300 NSv proximity probe cable and extension cable with proper shielding, grounding the shield at the transmitter end only to prevent ground loops. The 4-20 mA output loop requires 12-35 VDC power supply at the transmitter terminals; verify polarity before connection. For dynamic diagnostic access, connect a coaxial cable to the PROX OUT connector or use the COM terminals for gap voltage measurement. The potted construction allows operation in 100% condensing humidity environments, but the unit must not be submerged.
$200.00 $100.00
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Bently Nevada Series Vibration Transmitter | 990-05-XX-03-05 | Bently Nevada
Bently Nevada 990-05-XX-03-05 990 Series Vibration Transmitter The Bently Nevada 990-05-XX-03-05, also cataloged as the 990 Vibration Transmitter, operates as a dedicated hardware component for processing raw proximity probe signals into a standardized 4-20 mA current loop output within condition monitoring networks. Suffix Breakdown & Model Matrix Suffix Position Value Description 990 Base Vibration Transmitter 05 Full-Scale Range 0-5 mils pp (0-125 um pp) XX System Length 50 (5.0 m) or 70 (7.0 m) 03 Mounting DIN-rail clips and bulkhead mounting screws 05 Agency Approval CSA Class I Div 2, ATEX Zone 0/2, ABS maritime Hardware Specifications Parameter Specification Model 990-05-XX-03-05 Brand Bently Nevada Origin USA Weight 0.96 lbs (0.43 kg) Dimensions 100 x 74 x 53.3 mm (3.9 x 2.9 x 2.1 in) Operating Temp -35 degC to +85 degC Power Consumption +12 to +35 VDC input, 4-20 mA loop Input Compatibility 1 x 3300 NSv Proximity Probe & extension cable Output Signal 4-20 mA DC proportional to full-scale vibration Full-Scale Range 0 to 5 mils peak-to-peak (0 to 125 um peak-to-peak) Loop Accuracy Within +/-1.5% over specified full-scale range Max Loop Resistance 1,000 ohms (including cable resistance at 35 VDC) Frequency Response 5 Hz to 6,000 Hz (+/-0.3 dB) Probe Gap Requirement 0.5 mm to 1.75 mm (20 mils to 55 mils) Diagnostic Output (Prox Out) Non-isolated BNC and terminal connection (7.87 mV/um / 200 mV/mil nominal) Storage Temperature -52 degC to +100 degC Humidity Limits 100% condensing, non-submerged (potted construction) Mounting Type 35 mm DIN-rail or standard bulkhead screw-mounting Eddy-Current Probe Scaling & Gap Voltage Validation The 990 series integrates an internal Proximitor sensor calibrated specifically for 3300 NSv proximity probes. The transducer converts the raw eddy-current probe signal into a linearized 4-20 mA output with a nominal sensitivity of 200 mV/mil at the Prox Out diagnostic port. Gap voltage must be validated to maintain the probe tip within 20 to 55 mils (0.5 to 1.75 mm) from the target surface to ensure linear operation. The Not OK / Signal Defeat circuit clamps the output to less than 3.6 mA within 100 microseconds upon detecting a faulty probe state or loose connection, preventing false machine trips during signal degradation events. Frequently Asked Questions Q: What is the maximum cable resistance allowed in the 4-20 mA loop? A: The maximum loop resistance is 1,000 ohms total, including cable resistance, at 35 VDC supply voltage. Q: Does the transmitter support hot-swap replacement on DIN rail? A: The 2-wire loop-powered design requires loop power to be disconnected before removal or installation. The Power-Up Inhibit circuit clamps the output below 3.6 mA for 2 to 3 seconds upon startup to block line voltage transients. Q: What probe gap voltage range is required for linear operation? A: The probe gap must be maintained between 20 and 55 mils (0.5 to 1.75 mm) from the target surface for correct linear measurement. Field Installation Guidelines Mount the transmitter to a 35 mm DIN rail or use the supplied bulkhead mounting screws. Connect the 3300 NSv proximity probe and extension cable to the input terminals, ensuring the shield is properly grounded at the transmitter end. Wire the 4-20 mA output loop to the PLC, DCS, or SCADA analog input card, observing polarity. Adjust the Zero and Span potentiometers externally to calibrate the output against the 0-5 mils full-scale range. Verify the gap voltage is within the 20-55 mil window before commissioning. The potted construction tolerates 100% condensing humidity, but the unit must not be submerged.
$200.00 $100.00
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Bently Nevada Vibration Transmitter | Bently Nevada 990-05-70-02-00
Bently Nevada 990-05-70-02-00 990 Vibration Transmitter The Bently Nevada 990-05-70-02-00, also cataloged as the 990 Vibration Transmitter, operates as a dedicated hardware component for continuous radial vibration processing within machinery protection system platforms. Suffix Breakdown & Model Matrix 05: Full-scale option: 0-5 mils pp (0-125 um pp) 70: System length option: 7.0 meters (23.0 feet) 02: Mounting option: Bulkhead screws 00: Agency approval option: Not required Hardware Specifications Parameter Specification Model 990-05-70-02-00 Brand Bently Nevada Origin USA Weight 0.44 kg Dimensions 7.3 x 5 x 10 cm OperatingTemp -35 to +85 degC PowerConsumption 24 VDC nominal, less than 1.0 W Full-Scale Range 0-5 mils pp (0-125 um pp) System Length 7.0 meters (23.0 feet) Mounting Type Bulkhead screws Agency Approval Not required Tariff Code 8537101190 Machinery Monitoring & TSI Characteristics The unit utilizes precise eddy-current probe scaling to translate raw proximity sensor signals into a linear 4-20 mA loop current output. Proper installation requires gap voltage validation against standard -10 VDC targets to ensure operation within the linear range of the probe assembly. To prevent signal degradation in high-density installations, the internal electronics incorporate cross-talk suppression mechanisms to isolate adjacent sensor channels from mutual inductive interference. Frequently Asked Questions Q: Can this transmitter be hot-swapped while the loop is powered? A: No. The loop power must be de-energized before disconnecting or connecting the device to prevent current surges that can disrupt or damage internal components. Q: What is the significance of the 7.0 meters system length option? A: The internal transmitter calibration relies on a fixed electrical length. The combined length of the proximity probe and the extension cable must equal 7.0 meters to maintain correct scaling and measurement accuracy. Field Installation Guidelines Secure the enclosure to a rigid plate or bulkhead using the designated mounting screws to minimize mechanical resonance. Terminate all field wiring with twisted, shielded pairs to prevent electromagnetic noise infiltration into the 4-20 mA signal. Connect the cable shield to the instrument common ground at the control system end only; leave the field transmitter end isolated to prevent ground loops.
$200.00 $100.00
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Bently Nevada 990-05-70-01-01 Vibration Transmitter | Bently Nevada
Bently Nevada 990-05-70-01-01 Vibration Transmitter The Bently Nevada 990-05-70-01-01, also cataloged as the 990 Vibration Transmitter, operates as a dedicated hardware component for transforming proximity probe signals into a proportional 4-20 mA current loop within machinery protection and TSI platforms. Hardware Specifications Parameter Specification Model 990-05-70-01-01 Brand Bently Nevada Product Type Vibration Transmitter Core Performance Index 0 to 5 mils pp (0 to 125 um pp) System Cable Length 7.0 metres (23.0 feet) Mounting Options 35 mm DIN rail clips Agency Approvals CSA Division 2 Power Supply Input +12 to +35 VDC at transmitter terminal Maximum Loop Resistance 1,000 ohm including cable at 35 VDC Current Limiting 23 mA typical Origin USA Shipment Location Xiamen, China Weight 0.5 kg Dimensions 7.6 cm x 10.2 cm x 5.1 cm Rotor Dynamics and Gap Voltage Validation The transmitter integrates directly with eddy-current proximity probes to capture dynamic shaft motion. Accurate monitoring requires strict gap voltage validation, where a baseline -10 VDC target alignment typically corresponds to the linear mid-point of the proximity sensor transducer system. Proper calibration across this curve eliminates cross-talk suppression issues and ensures precise lateral rotor dynamics tracking without signal clipping or saturation within the loop interface. Frequently Asked Questions Q: How does the transmitter handle sensor or cable failure within the loop? A: The device limits its output current to a typical peak of 23 mA under fault or over-range conditions, preventing downstream loop overload. Q: Can this device be integrated directly into a standard 4-20 mA DCS or PLC input card? A: Yes, the loop-powered design outputs a linear 4-20 mA signal proportional to the configured 0 to 5 mils pp full-scale range, provided the loop resistance does not exceed 1,000 ohm at 35 VDC. Field Installation Guidelines Ensure the unit is securely clipped to a standard 35 mm DIN rail to prevent mechanical vibration from loosening electrical terminal connections. Maintain proper shielding termination for the probe extension cable to suppress electromagnetic interference and signal degradation. Verify that the input supply voltage stays within the +12 to +35 VDC threshold directly at the transmitter terminals under maximum loop current load.
$200.00 $100.00
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Bently Nevada 990-04-XX-03-00 Vibration Transmitter | Bently Nevada
Bently Nevada 990-04-XX-03-00 Vibration Transmitter Configured for radial shaft vibration monitoring in API 670 compliant machinery protection architectures, the Bently Nevada 990-04-XX-03-00 (base model 990) provides direct physical execution of 4-20 mA proportional current signaling derived from eddy-current proximity probe input without intermediate monitoring racks. Suffix Breakdown & Model Matrix Code Segment Definition 990 990 Vibration Transmitter Series 04 Full-scale range: 0–4.0 mils pp XX System length option (typically 5.0 m or 7.0 m) 03 35 mm DIN-rail mounting 00 No agency approvals Hardware Specifications Parameter Specification Model Brand Bently Nevada Origin USA Weight 295 g Dimensions Polyamide housing, DIN-rail form factor Operating Temp -35 degC to +85 degC Power Consumption 12–35 VDC loop power Input Signal 3300 NSv proximity probe system Output Signal 4–20 mA DC proportional to vibration amplitude Accuracy ±6% FS over operating temp range Buffered Output Coaxial BNC, 7.87 V/mm nominal Eddy-Current Probe Scaling and Gap Voltage Validation The transmitter interfaces exclusively with the 3300 NSv eddy-current transducer system, requiring precise probe tip clearance to maintain linear measurement scaling. Calibration targets a -10 VDC gap voltage setpoint for optimal dynamic range. Signal conditioning includes cross-talk suppression between adjacent transducer channels to prevent mechanical resonance coupling errors in rotor dynamics analysis. Frequently Asked Questions Q: Can the unit be calibrated without removing it from the DIN rail? A: Yes. Calibration can be performed in situ using the buffered BNC output while maintaining loop continuity. Q: Does the transmitter support hot-swapping in live loops? A: No. Loop power must be disconnected before removal to avoid transient overcurrent on the 4–20 mA line. Q: What is the effect of incorrect system length selection? A: Incorrect length mismatches alter probe scaling constants, causing inaccurate vibration amplitude reporting. Field Installation Guidelines Install the transmitter on a grounded 35 mm DIN rail within an IP-rated enclosure. Maintain separation between signal and power wiring to minimize electromagnetic interference. Terminate shield drains to earth ground at one end only. Verify probe gap voltage prior to final commissioning. Ensure all terminal screws meet torque specifications for 0.2–2.5 mm² conductors.
$200.00 $100.00
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Bently Nevada Vibration Transmitter | Bently Nevada 990-04-70-02-00
Bently Nevada 990-04-70-02-00 Vibration Transmitter Configured for continuous vibration monitoring and signal conditioning in Turbine Supervisory Instrumentation (TSI) applications, the Bently Nevada 990-04-70-02-00 (990 Vibration Transmitter) provides direct physical/electrical execution by processing eddy-current proximity probe inputs into analog current loop outputs. The hardware functions as a standalone, loop-powered device that transforms dynamic displacement data into a linear 4-20 mA signal proportional to overall shaft vibration, interfaces directly with programmable logic controllers (PLCs) or distributed control systems (DCSs), and operates without requiring a separate monitor rack. Suffix Breakdown & Model Matrix The specific alphanumeric configuration of the 990-04-70-02-00 defines its calibrated scale, physical system length compatibility, and mounting hardware as itemized below: 04: Full-scale option designated for 0-4 mils pp (0-100 μm pp) linear displacement range. 70: Calibrated system length configured for 7.0 meters (23.0 feet) total proximity probe and extension cable matching. 02: Bulkhead mounting option utilizing dedicated integrated screws. 00: Agency approval option indicating no hazardous area certifications are required for this specific assembly. Hardware Specifications Parameter Specification Model 990-04-70-02-00 Brand Bently Nevada Origin USA Weight 0.44 kg Dimensions 10 x 7.3 x 6 cm Core Performance Indicator 0-4 mils pp (0-100 μm pp) full-scale displacement System Length Option 7.0 meters (23.0 feet) Mounting Type Bulkhead screws Power Consumption Loop-powered, 4-20 mA interface Agency Approval Not required Eddy-Current Probe Scaling and Gap Voltage Validation The transmitter circuitry is precisely engineered for eddy-current probe scaling to match standard 3300 XL 5 mm and 8 mm proximity transducer networks. During commissioning and baseline calibration validation, the direct-current (DC) voltage across the coaxial probe terminal measures the proximity sensor gap voltage. A target gap voltage baseline of -10 VDC corresponds to the center of the linear range, ensuring optimal rotor dynamic measurements and cross-talk suppression. Incorrect system length matching or probe mismatch shifts this voltage, compromising the 4-20 mA loop scaling accuracy. Frequently Asked Questions Q: Can the 990-04-70-02-00 operate with a 5.0-meter probe and extension cable system? A: No. This model is hardware-calibrated specifically for a 7.0-meter system length. Interfacing it with 5.0-meter proximity components induces significant impedance mismatch, shifting the gap voltage baseline and rendering the linear voltage-to-current conversion inaccurate. Q: Does this device support hot-swap replacement under power? A: Yes, because the transmitter operates as a loop-powered current device. Disconnecting or reconnecting the 4-20 mA circuit does not damage the internal circuitry, provided the external power supply does not exceed the maximum rated voltage specifications of the loop loop terminal. Field Installation Guidelines Mechanical Mounting: Secure the housing onto a rigid flat surface using the integrated bulkhead screws to mitigate localized housing vibrations that could couple into the internal electronic components. Shielding and Grounding: Terminate the outer shield of the proximity probe extension cable cleanly at the transmitter terminal block. Ensure that field wiring shields follow a single-point grounding philosophy—typically grounded at the control system end—to prevent ground loops from injecting electrical noise into the vibration readings. Conduit and Wiring: Run all proximity probe cables and analog output wiring in dedicated, grounded metal conduits. Separate these low-voltage signal lines from heavy AC power distribution routing to prevent inductive cross-talk.
$200.00 $100.00
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Bently Nevada Bently Nevada 990‑04‑XX‑01‑05 MOD 165335‑01 Vibration Transmitter
Overview The Bently Nevada 990‑04‑XX‑01‑05 MOD 165335‑01 vibration transmitter is a modified version of the 990 Series, engineered to convert proximity probe vibration measurements into a standardized 4–20 mA output for direct interface with control and automation systems. Designed for hazardous‑area machinery monitoring, this transmitter integrates the Proximitor® signal conditioning function into a compact, field‑mountable module suitable for compressors, pumps, fans, and other rotating equipment. Key Characteristics Integrated vibration transmitter with built‑in Proximitor® functionality Selectable measurement ranges: 0–4 mils pk‑pk or 0–100 µm pk‑pk Supports 5 m or 7 m probe/extension cable lengths Delivers industry‑standard 4–20 mA proportional vibration output Hazardous‑area certified: CSA Div 2, ATEX Zone 0/2, IECEx, ABS marine Diagnostic outputs for dynamic vibration and gap voltage Zero/span adjustment for field calibration Not‑OK/Signal‑Defeat circuitry to prevent false alarms DIN‑rail or optional bulkhead mounting Technical Specifications Parameter Specification Model / Part Number 990‑04‑XX‑01‑05 MOD 165335‑01 Product Type 990 Series Vibration Transmitter Measurement Range 0–4 mils pk‑pk / 0–100 µm pk‑pk Output Signal 4–20 mA proportional to vibration amplitude Frequency Response Up to 10 kHz Diagnostic Outputs PROX OUT terminals + coaxial dynamic output Cable Compatibility 5 m or 7 m probe/extension cable systems Certifications CSA Div 2, ATEX Zone 0/2, IECEx, ABS Mounting 35 mm DIN rail (standard) or bulkhead Weight 0.08 kg Dimensions 116 × 2.5 × 2 cm System Compatibility Bently Nevada proximity probe systems Condition Brand New Origin USA MOQ 1 HS Code 8537101190 Functional Description The 990‑04‑XX‑01‑05 MOD 165335‑01 transmitter is designed to simplify vibration monitoring by converting raw proximity probe signals into a 4–20 mA output suitable for PLCs, DCS systems, and SCADA platforms. Its integrated Proximitor® circuitry eliminates the need for separate signal conditioners, reducing installation complexity and panel space requirements. The module provides two diagnostic outputs: Dynamic vibration signal for waveform and spectral analysis Gap voltage output for shaft position and probe health verification The transmitter includes independent zero and span adjustments, enabling precise field calibration without interaction between settings. Its Not‑OK/Signal‑Defeat logic prevents nuisance alarms caused by wiring faults, probe failures, or loose connections. With multiple hazardous‑area approvals, the transmitter is suitable for offshore platforms, refineries, chemical plants, and marine machinery rooms. Its rugged design ensures stable performance in environments with electrical noise, vibration, and temperature fluctuations. Application Scenarios Compressors and blowers Industrial pumps Cooling tower fans Marine propulsion systems Oil & gas rotating equipment Machinery located in hazardous or classified areas FAQ Q: What is the advantage of the MOD 165335‑01 version? It incorporates enhanced configuration options and certifications tailored for hazardous‑area and marine applications. Q: Does this transmitter require an external Proximitor®? No. The Proximitor® function is built into the module. Q: Can the transmitter output both 4–20 mA and dynamic vibration signals? Yes. It provides a 4–20 mA process signal plus separate dynamic and gap outputs.
$200.00 $100.00
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Bently Nevada Bently Nevada 990‑10‑XX‑01‑05 MOD 165353‑07 | 990 Series | Vibration Transmitter
Overview The Bently Nevada 990‑10‑XX‑01‑05 MOD 165353‑07 vibration transmitter is a compact, loop‑powered module designed for OEM and skid‑mounted machinery applications. It converts proximity probe vibration signals into a standardized 4–20 mA output suitable for direct interface with PLCs, DCS systems, and machine controllers. Its integrated proximitor circuitry simplifies installation while maintaining the accuracy required for continuous machinery protection. Key Characteristics Two‑wire, loop‑powered vibration transmitter Integrated proximitor sensor—no external proximitor required Compatible with 3300 NSv proximity probes and extension cables 4–20 mA proportional output for control and monitoring systems Frequency response suitable for general‑purpose rotating equipment DIN‑rail mountable housing for compact installations Designed for OEM compressors, pumps, motors, and fans Technical Specifications Parameter Specification Model / Part Number 990‑10‑XX‑01‑05 MOD 165353‑07 Product Type 990 Series Vibration Transmitter Output Signal 4–20 mA proportional to vibration Measurement Range 0–10 mils peak‑to‑peak Frequency Response 5 Hz to 6000 Hz (±3 dB) Power Supply 12–24 VDC loop‑powered Probe Compatibility 3300 NSv proximity probe + extension cable Dynamic Output Non‑isolated terminals for vibration waveform Gap Voltage Output Non‑isolated System Lengths Supported 5 m or 7 m Minimum Target Diameter 9.5 mm Mounting DIN rail Weight 0.44 kg Dimensions 10 × 7.5 × 5.2 cm Condition Brand New Origin USA MOQ 1 HS Code 8537101190 Functional Description The 990‑10‑XX‑01‑05 MOD 165353‑07 transmitter integrates proximity probe signal conditioning and vibration processing into a single module. It converts shaft vibration into a linear 4–20 mA output, enabling direct connection to plant control systems without requiring a full monitoring rack. The module includes terminals for dynamic vibration and DC gap voltage, allowing operators to access raw diagnostic data when needed. Its compact form factor supports installation in confined spaces, making it suitable for packaged equipment and OEM machinery. The transmitter is engineered for reliable operation in industrial environments, providing stable performance across a wide range of temperatures and electrical conditions. Its compatibility with 3300 NSv probes ensures accurate displacement measurement for small‑shaft machinery. Application Scenarios Centrifugal air compressors Small and medium industrial pumps Electric motors and cooling fans OEM skid packages Machinery requiring basic vibration protection and trending FAQ Q: Does this transmitter require an external proximitor? A: No. It includes an integrated proximitor sensor, reducing installation complexity. Q: What type of output does it provide? A: A 4–20 mA output proportional to vibration amplitude, plus non‑isolated dynamic and gap outputs. Q: Can it be used with standard 3300 proximity probes? A: It is specifically designed for 3300 NSv probes and matched extension cables.
$200.00 $100.00
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Bently Nevada Bently Nevada 990-05-50-01-00 Vibration Transmitter
Overview The Bently Nevada 990‑05‑50‑01‑00 is a compact two‑wire vibration transmitter engineered for OEM and general‑purpose machinery monitoring. Designed for integration with 3300 NSv proximity probes, it converts shaft vibration into a standard 4–20 mA process signal suitable for PLCs, DCS systems, and basic protection architectures. Functional Characteristics This loop‑powered transmitter provides conditioned vibration output across a 0–5 mils peak‑to‑peak (0–125 μm pp) measurement range. It operates from a +12 to +35 VDC supply and supports a maximum loop resistance of 1,000 Ω at 35 VDC, ensuring compatibility with long cable runs and diverse control systems. The 990‑05‑50‑01‑00 mounts directly on 35 mm DIN rail, simplifying panel installation. It supports system lengths up to 5.0 m (16.4 ft) when used with NSv probes and includes built‑in current limiting at approximately 23 mA, protecting downstream equipment. This transmitter is designed for applications requiring straightforward vibration trending rather than full API 670‑level protection. Its compact footprint and lack of special agency approvals make it ideal for OEMs seeking a cost‑effective monitoring solution. Technical Specifications Parameter Specification Model / Part Number 990‑05‑50‑01‑00 Product Type Two‑Wire Vibration Transmitter Input Type 3300 NSv proximity probe Output Signal 4–20 mA Measurement Range 0–5 mils pp (0–125 μm pp) Power Supply +12 to +35 VDC Max Loop Resistance 1,000 Ω at 35 VDC Current Limit ~23 mA Mounting 35 mm DIN rail System Length Up to 5.0 m Weight 0.44 kg Dimensions 10 × 7.5 × 5.2 cm Origin USA Condition Brand New Availability In Stock HS Code 8537101190 System TSI compatible Performance Notes The transmitter conditions the raw displacement signal from an NSv probe and outputs a proportional 4–20 mA signal for trending or basic alarm functions. It is not intended for high‑speed shutdown systems but provides reliable monitoring for compressors, pumps, fans, and general rotating equipment. Application Areas Centrifugal air compressors Industrial pumps and motors HVAC and process fans OEM machinery requiring simple vibration trending Systems without full API 670 protection requirements FAQ Q: What type of probe does this transmitter support It is designed for use with 3300 NSv proximity probes. Q: Does this model require hazardous‑area approvals No. It is intended for general industrial environments without special certification needs. Q: What is the output format A standard 4–20 mA loop‑powered signal proportional to vibration amplitude. Q: Is this suitable for shutdown protection It is intended for basic monitoring and trending, not for high‑integrity trip systems.
$200.00 $100.00
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Bently Nevada Bently Nevada 990‑05‑70‑03‑05 | 990 Series Vibration Transmitter
Overview The Bently Nevada 990‑05‑70‑03‑05 vibration transmitter is a compact, self‑contained monitoring device designed to convert proximity probe signals into a standard 4–20 mA output for machinery protection and condition monitoring. As part of the 990 Series, it integrates an internal Proximitor‑type driver, eliminating the need for external signal‑conditioning hardware and simplifying installation in both new and retrofit applications. Functional Characteristics This transmitter provides dynamic vibration and gap voltage outputs through a coaxial connector and dedicated terminal points, enabling simultaneous use for trending, diagnostics, and control‑system input. Zero and span adjustments are accessible beneath the product label, allowing precise loop calibration without interaction between settings. A built‑in test input enables rapid verification of loop integrity using a function generator. The Not‑OK/Signal‑Defeat circuitry suppresses false alarms caused by probe faults, cable issues, or intermittent connections, ensuring stable operation in critical machinery environments. The unit supports both DIN‑rail and bulkhead mounting, offering flexibility for panel layouts and field installations. Technical Specifications Parameter Specification Model / Part Number 990‑05‑70‑03‑05 Product Type Vibration Transmitter Series 990 Series Output Signal 4–20 mA proportional to vibration Dynamic Signal Output Coaxial connector (vibration + gap) Terminals PROX OUT, COM Calibration Adjustments Zero and span potentiometers Test Input Yes (loop verification) Fault Handling Not‑OK/Signal‑Defeat circuit Mounting Options DIN‑rail clip and bulkhead screws Operating Temperature –35 °C to +85 °C (typical transmitter rating) Weight 0.46 kg Dimensions 1.8 × 1.6 × 123 cm Origin USA Condition Brand New Availability In Stock HS Code 8537101190 System Compatibility TSI systems and general vibration monitoring Application Areas Turbine supervisory instrumentation Pumps, compressors, and fans Gearboxes and rotating machinery Industrial process equipment requiring 4–20 mA vibration feedback Remote or distributed monitoring architectures FAQ Q: Does this transmitter require an external Proximitor? No. The 990‑05‑70‑03‑05 includes an integrated Proximitor‑type driver. Q: Can I access dynamic vibration signals? Yes. A coaxial connector provides raw vibration and gap voltage signals for diagnostics. Q: What mounting hardware is included? Both DIN‑rail clips and bulkhead screws are supplied. Q: How does the Not‑OK/Signal‑Defeat function help? It prevents false alarms caused by probe or cable faults, improving system reliability.
$200.00 $100.00
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