Bently Nevada 9200 Series

Bently Nevada 9200-06-02-01-00 Velocity Seismoprobe Transducer Configured for absolute vibration measurement in Turbine Supervisory Instrumentation (TSI) networks, the Bently Nevada 9200-06-02-01-00 (base model 9200 Velocity Seismoprobe) provides direct electromechanical signal generation without external excitation power. Suffix Breakdown & Model Matrix Code Definition 9200 Standard Two-Wire Seismoprobe Velocity Transducer 06 Mounting Orientation: 0 deg +/- 100 deg; Min Freq: 10 Hz 02 Connector Option: Side Exit (No Integral Cable) 01 Mounting Base: Circular w/ 1/4-20 UNC Stud 00 Agency Approval: None (Standard) Hardware Specifications Parameter Specification Model Brand Bently Nevada (Baker Hughes) Origin USA Weight 300 g (10.5 oz) Dimensions Body Diameter: 31.8 mm (1.25 in); Height: 63.5 mm (2.5 in) Operating Temp -29 degC to +121 degC (-20 degF to +250 degF) Power Consumption N/A (Self-generating, passive device) Sensitivity 20 mV/mm/s (500 mV/in/s) +/- 5% Freq Response 10 Hz to 1 kHz (+0, -3 dB) Velocity Range 0 to 25 mm/s peak Coil Resistance 1.25 kOhm +/- 5% Output Signal Analog Voltage (AC) Eddy-Current Probe Scaling and Gap Validation The 9200 series interfaces directly with Bently Nevada 3300 and 3500 monitor racks. Calibration requires strict adherence to the 500 mV/in/s scale factor. Unlike proximity probes, this seismoprobe measures absolute casing motion relative to free space. When integrating with TSI logic solvers, ensure the monitor channel is configured for "Velocity" input type, not "Proximity". Cross-talk suppression is achieved via shielded twisted pair cabling, maintaining separation from AC power conductors by a minimum of 300 mm to prevent ground loop induction on the 1.25 kOhm coil circuit. Frequently Asked Questions Q: Does the 9200-06-02-01-00 require loop power from the monitoring system? A: No. This is a passive, moving-coil transducer. It generates its own voltage signal based on the velocity of the vibration; no external DC power is required. Q: What is the termination requirement for the 74712 series cable? A: The transducer must be terminated with the correct impedance matching connector or terminal block as specified in the 3300/3500 rack documentation to maintain the +/- 5% sensitivity tolerance. Q: Can this unit measure displacement directly? A: No. The output is velocity. To obtain displacement (peak-to-peak), a Velocity-to-Displacement Converter (VDC) module or integration function within the monitor card must be utilized. Field Installation Guidelines Mounting Torque: Secure the transducer using the 1/4-20 UNC stud. Apply a torque of 1.7 N-m (15 in-lb) to ensure rigid mechanical coupling to the bearing housing. Connector Engagement: Use the side-exit connector. Ensure the coupling nut is fully seated and hand-tightened to prevent moisture ingress into the coil assembly. Grounding: Terminate the cable shield drain wire at the monitor end only. Do not ground the shield at the transducer body to avoid creating ground loops. Orientation: Verify the mounting angle aligns with the primary vibration axis of the machine. The 9200-06 suffix allows for 0 deg orientation; misalignment will reduce the effective sensitivity.

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Bently Nevada 9200-03-06-10-00 Seismoprobe Velocity Transducer The Bently Nevada 9200-03-06-10-00, also cataloged as the 9200 Seismoprobe Velocity Transducer, operates as a dedicated hardware component for absolute casing and bearing housing vibration measurement within Turbine Supervisory Instrumentation (TSI) networks. Suffix Breakdown & Model Matrix Code Definition 9200 Two-wire moving-coil velocity transducer, no external power required 03 Mounting angle 90 deg ±2.5 deg (vertical), min. operating frequency 4.5 Hz 06 Coaxial connector option for test/diagnostic interface 10 Circular mounting base with M10 x 1 threaded stud 00 No agency approvals (standard industrial application) Hardware Specifications Parameter Specification Model Brand Bently Nevada Origin U.S.A. Weight 300 g (10.5 oz) Dimensions 41 mm dia. x 102 mm height Operating Temp -29 degC to +121 degC Power Consumption None (passive device) Sensitivity 20 mV/mm/s ±5% @ 22 degC, 10 kOhm load, 100 Hz Frequency Response 4.5 Hz – 1 kHz (+0 dB, -3 dB) Coil Resistance 1.25 kOhm ±5% Locked Coil Inductance 125 mH typical Amplitude Linearity ±5% from 0.254 mm/s to 127 mm/s @ 100 Hz Dynamic Range 2.54 mm p-p max displacement Shock Resistance 50 g peak max along non-sensitive axis Transverse Sensitivity < ±10% max Case Material Anodized aluminum A204 Polarity Pin A positive relative to Pin B when motion toward connector Eddy-Current Probe Scaling and Rotor Dynamics Considerations In TSI architectures, the 9200 series complements eddy-current probe systems by providing a cross-check reference for low-frequency rotor dynamics. Gap voltage validation targets remain fixed at -10 VDC for proximity probes, while velocity output from the 9200 supports correlation against displacement data for torsional and lateral vibration analysis. Cross-talk suppression between coaxial cabling and adjacent proximity probe wiring minimizes signal contamination in densely instrumented machinery trains. Frequently Asked Questions Q: Does the 9200-03-06-10-00 support hot-swap replacement on live machinery? A: No. Although passive, disconnection under vibration can cause transient signals; isolate monitoring channels before removal. Q: What is the recommended cable shielding practice for coaxial output? A: Ground the shield at the monitoring system end only, maintaining continuous 360-degree contact with the connector backshell. Q: Can this unit be used in hazardous areas? A: No. The 00 suffix indicates no agency approvals; use only in non-hazardous, general-purpose installations. Field Installation Guidelines Mount the transducer vertically using the M10 x 1 stud, ensuring thread engagement of at least 5 full turns. Apply anti-seize compound if installation is in high-temperature environments. Route coaxial cable away from high-current power conductors to avoid electromagnetic interference. Verify polarity before final termination: motion toward the connector must produce a positive-going output on Pin A relative to Pin B. Perform a functional tap test post-installation to confirm expected voltage polarity and amplitude response.

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Bently Nevada 9200-06-01-10-00 Velocity Transducer The Bently Nevada 9200-06-01-10-00, also cataloged as the 9200 Velocity Transducer, operates as a dedicated hardware component for mechanical vibration velocity measurement within Turbine Supervisory Instrumentation (TSI) systems. Suffix Breakdown & Model Matrix 06: 0 +/-100, 10 Hz (600 cpm) frequency option 01: Top Mount (no cable) configuration 10: Circular; M10X1 mounting stud 00: No agency approvals Hardware Specifications Parameter Specification Model 9200-06-01-10-00 Brand Bently Nevada Origin USA Weight 0.3 kg Dimensions 20 cm x 20 cm x 3 cm (Estimated Shipping Size) Operating Temp -29 degC to +121 degC (-20 degF to +250 degF) Power Consumption None (Passive self-generating sensor) Sensitivity 20 mV/mm/s (500 mV/in/s) Calibration Load 10 kOhm Signal Output Taken across pins A and B Sensitivity Temp Coefficient 0.2% / degC Coil Resistance 1.25 kOhm +/-5% Locked Coil Inductance 125 mH, typical Rotordynamics and Cross-Talk Suppression The moving-coil configuration of the 9200 series is engineered for precise rotordynamics monitoring, providing raw velocity signal conversion directly from the machinery casing. Internal mechanical suspension and shielding provide cross-talk suppression against adjacent orthogonal machinery axes, preserving signal integrity across the 10 Hz frequency band without external filtering loops. Frequently Asked Questions Q: Does this transducer require an external power supply? A: No, the 9200 velocity transducer utilizes a moving-coil design that generates its own voltage signal proportional to velocity, operating entirely as a passive device. Q: What is the operational impact of the 10 kOhm calibration load specification? A: The calibrated sensitivity of 20 mV/mm/s is accurate when terminated into a 10 kOhm load. Connecting the transducer to a monitoring system with a different input impedance will cause a deviation in the effective scale factor. Field Installation Guidelines Mount the transducer directly onto a flat, rigid structural surface via the M10X1 stud to eliminate false high-frequency resonances. Ensure a minimum of 5 full threads of engagement when tightening the mechanical stud into the machinery casing. Use twisted, shielded instrumentation cable for connection to pins A and B, terminating the shield exclusively at the monitor rack ground terminal to prevent ground loop currents.

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Bently Nevada 9200-03-02-02-00 Two-wire Velocity Seismoprobe Transducer Configured for casing vibration measurement in Turbomachinery Train Receipt (TSI) networks, the Bently Nevada 9200-03-02-02-00 (9200 Two-wire Transducer) provides direct physical/electrical execution. It operates as a self-generating velocity transducer designed to measure absolute casing vibration relative to free space. Suffix Breakdown & Model Matrix The specific alphanumeric configuration defines the physical layout and operational limits as follows: 9200: Base model for the Two-wire Velocity Seismoprobe Transducer. 03: Transducer Mounting Angle / Minimum Operating Frequency Option specifying 90 degC +/- 2.5 degC orientation relative to horizontal, with a minimum operating frequency of 4.5 Hz (270 cpm). 02: Side mount connector configuration. 02: Circular mounting base with 1/4-in 28 UNF threaded stud. 00: Agency Approval Option indicating no hazardous area approvals are required. Hardware Specifications Parameter Specification Model Brand Bently Nevada Origin U.S.A (Certificate of Origin available upon request) Weight 0.3 Kg Dimensions Standard cylindrical housing with circular base Operating Temp -29 degC to +121 degC Power Consumption Self-generating (No external power required) Mounting Angle 90 degC +/- 2.5 degC Minimum Frequency 4.5 Hz (270 cpm) Connector Type Side mount electrical connector Mounting Interface Circular base with 1/4-in 28 UNF stud Agency Approvals None required (00 option) Rotor Dynamics and Cross-Talk Suppression As a critical component within Bently Nevada TSI architectures, this moving-coil velocity transducer interacts directly with rotor dynamics monitoring channels. The internal coil is suspended on precise spring matrices to ensure single-axis sensitivity while eliminating cross-axis cross-talk suppression failures. When assessing absolute structural vibration alongside proximity probe data, the 4.5 Hz lower frequency boundary ensures proper tracking of low-speed synchronous machine components without phase lag anomalies. Frequently Asked Questions Q: Does this transducer require an external power supply or loop power? A: No. The 9200 series uses a moving-coil design that generates its own voltage signal proportional to velocity. It operates without external DC power or excitation voltages. Q: What are the consequences of mounting this specific configuration horizontally? A: The "03" option designates a vertical orientation (90 degC +/- 2.5 degC). Installing this unit horizontally or outside the specified angle limits shifts the internal coil alignment, introducing severe calibration errors, friction, and potential mechanical clipping. Field Installation Guidelines Mechanical Torquing: Ensure the 1/4-in 28 UNF mounting stud is securely engaged into the casing surface. Torque the mounting base to the standard industrial specification to prevent housing resonance and false high-frequency transmission. Cable Routing: Secure the side-mount mating connector to avoid cable whip. Run the transducer cable through rigid or flexible conduit to minimize triboelectric noise induction caused by physical cable movement. Shielding and Grounding: Terminate the cable shield at the monitor rack or terminal enclosure end only. Maintain continuous shield isolation through any intermediate junction boxes to prevent ground loops that interfere with low-frequency signal accuracy.

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Bently Nevada 9200-01-01-01-00 Seismoprobe Velocity Transducer Configured for absolute casing vibration measurement in API 670 compliant machinery protection systems, the Bently Nevada 9200-01-01-01-00 (base model 9200) provides direct physical execution of seismic velocity transduction via a moving-coil mechanism. Suffix Breakdown & Model Matrix Code Segment Definition 9200 Standard Temperature Two-Wire Velocity Seismoprobe A01 Vertical Orientation (0 deg +/- 2.5 deg), 4.5 Hz Min Frequency B01 Top Exit Connector C01 Circular Base with 1/4-20 UNC Stud D00 No Agency Approvals (Standard) Hardware Specifications Parameter Specification Model Brand Bently Nevada (Baker Hughes) Origin United States Weight 300 g (10.5 oz) Dimensions 41 mm Dia x 102 mm Height (1.6 in x 4.0 in) Operating Temp -29 degC to +121 degC (-20 degF to +250 degF) Power Consumption Passive Device (Self-generated EMF) Sensitivity 20 mV/mm/s (500 mV/in/s) +/- 5% Frequency Response 4.5 Hz to 1000 Hz (+0, -3 dB) Coil Resistance 1.25 kOhm +/- 5% Max Lead Length 305 m (1000 ft) Eddy-Current Probe Scaling and Rotor Dynamics Integration with Bently Nevada 3300 or 3500 monitoring racks requires validation of gap voltage targets, typically maintained at -10 VDC for proximity probes sharing the same machinery train. The 9200 series provides raw velocity data essential for rotor dynamic analysis, specifically tracking 1X and 2X vibration vectors. Signal cross-talk suppression is achieved through shielded twisted pair cabling terminated with proper ground reference at the monitor input module. Frequently Asked Questions Q: What is the maximum lead wire length supported for signal transmission to the monitor? A: The transducer supports lead wire lengths up to 305 meters (1000 feet) without significant signal degradation, provided the loop resistance remains within the monitor's input impedance specifications. Q: Is this specific model (D00) approved for installation in hazardous locations? A: No. The D00 suffix indicates no agency approvals. This unit is rated for standard, non-hazardous industrial environments only. Q: How does the mounting torque affect the sensitivity of the C01 base? A: Insufficient torque (< 5.6 N-m) can result in mechanical resonance and erroneous readings. Over-tightening can distort the aluminum housing. Maintain torque at 5.6 N-m (50 in-lb). Field Installation Guidelines Mount the transducer to a smooth, rigid surface perpendicular to the primary vibration axis. Ensure the 1/4-20 UNC stud engages a minimum of 5 full threads into the machine casing. For top-exit connectors (B01), route the cable away from high-voltage power lines to prevent electromagnetic interference. Terminate the shield drain wire at the monitor end only to avoid ground loops. Verify output polarity: Pin A goes positive relative to Pin B when the case moves toward the connector.

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