Configured for dynamic pressure signal conditioning in Bently Nevada machinery monitoring platforms, the Bently Nevada 350500-00-00-00-01-01 (350500 Dynamic Pressure Charge Amplifier) provides direct physical signal conversion from piezoelectric pressure sensor charge output to low-impedance voltage transmission.
Hardware Specifications
Parameter
Specification
Model
350500-00-00-00-01-01
Brand
Bently Nevada
Origin
USA
Dimensions
DIN rail mounting enclosure; exact dimensions not specified
Operating Temp
Industrial installation environment; calibration reference at 23 deg C +/- 2 deg C
Power Consumption
Powered by -24 VDC supply; exact consumption not specified
Product Type
Dynamic Pressure Charge Amplifier
Input Signal
High-impedance piezoelectric sensor charge signal
Input Sensitivity
16 pC/psi (232 pC/bar)
Output Signal
Low-impedance voltage output
Output Sensitivity
100 mV/psi (1.45 V/bar)
Power Input
-24 VDC
Mounting Method
35 mm DIN rail mounting
Hazardous Area Rating
CSA/NRTL/C Class I Division 2 Groups A, B, C, D; ATEX/IECEx Zone 2 when installed in approved enclosure
Signal Interface
Compatible with Bently Nevada dynamic pressure monitoring systems
Eddy Current and Rotor Dynamics Signal Integration
The 350500 Dynamic Pressure Charge Amplifier processes piezoelectric sensor charge signals before connection to vibration and combustion monitoring systems. Moreover, the module applies charge-to-voltage conversion to maintain signal integrity when sensor outputs require extended field transmission distances.
The device operates within Bently Nevada machinery monitoring architectures where signal scaling and measurement validation are required. In addition, the signal conditioning approach supports integration with systems such as the Bently Nevada 3500/64 Dynamic Pressure Monitor and Orbit 60 platforms.
The module design follows Bently Nevada mechanical monitoring principles, including controlled signal scaling and interference reduction practices used in rotating equipment applications. Therefore, the charge amplifier helps maintain accurate dynamic pressure measurement data for rotor-related analysis and combustion pressure monitoring.
Frequently Asked Questions
Q: What type of sensor signal does the Bently Nevada 350500-00-00-00-01-01 accept? A: The module accepts high-impedance charge output signals from piezoelectric dynamic pressure sensors and converts them into low-impedance voltage signals.
Q: Can the 350500-00-00-00-01-01 connect directly to standard vibration probes? A: No. The unit is designed for dynamic pressure charge sensors and is not an eddy-current proximity probe interface.
Q: What installation consideration applies to hazardous area operation? A: Hazardous area installations require compliance with the applicable CSA, ATEX, or IECEx enclosure and installation requirements.
Field Installation Guidelines
Install the module on a standard 35 mm DIN rail inside an approved control cabinet or junction enclosure.
Use shielded signal wiring between the piezoelectric pressure sensor and the charge amplifier input.
Connect cable shields according to site grounding practices to reduce electromagnetic interference.
Separate dynamic pressure signal cables from high-current power wiring and switching circuits.
Verify the -24 VDC supply polarity before energizing the module.
Confirm sensor sensitivity settings match the configured 16 pC/psi input scaling before commissioning.
Inspect connector seating and cable routing before performing signal validation tests.
