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...
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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.
