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Bently Nevada 9200-01-01-01-00 9200 Series Seismoprobe Velocity Transducer

The Bently Nevada 9200-01-01-01-00, also cataloged as the Bently Nevada 9200 Seismoprobe Two-Wire Velocity Transducer, operates as a dedicated hardware component for absolute vibration velocity measurement within machine casing and structural monitoring systems.

Suffix Breakdown & Model Matrix

  • 9200 : Base Series Moving-Coil Seismoprobe Velocity Transducer
  • 01 (Mounting Orientation) : Horizontal mount construction, valid within a $\pm2.5$ deg C plane variance limit
  • 01 (Connector Option) : Top-mounted terminal block interface
  • 01 (Mounting Base) : Circular configuration with a 1/4-20 UNC threaded stud
  • 00 (Agency Approval) : Standard industrial design containing no specific hazardous area certifications

Hardware Specifications

Parameter Specification
Model 9200-01-01-01-00
Brand Bently Nevada
Origin USA
Weight 0.3 kg transducer mass unit / 2.0 kg total shipping weight
Dimensions 41.4 mm diameter base cross section
Operating Temp -40 to 120 deg C
Power Consumption Self-generating passive permanent-magnet moving-coil loop
Frequency Response Range 4.5 Hz to 1,000 Hz
Thread Format 1/4-20 UNC American standard threading pattern
External Interface Two-wire differential transmission interface

Eddy-Current Probe Scaling and Rotor Dynamics Correlation

This electro-mechanical device measures structural velocity signatures directly without relying on active integrated conversion electronics. When deployed alongside proximity probe systems, this moving-coil assembly allows structural vibration data to combine with internal eddy-current probe scaling matrices to plot absolute shaft motion across complex rotor dynamics profiles. This passive system suppresses cross-talk interference from high-frequency structural noise because the physical mass distribution of the internal spring-suspended coil dampens impulse spikes. Consequently, the sensor provides direct integration into industrial monitoring backplanes without requiring high-impedance charge pre-amplifiers.

Frequently Asked Questions

Q: Can the 9200-01-01-01-00 variant be mounted vertically or at an arbitrary angle?

A: No. This specific model features Option 01 for the internal mechanical alignment mechanism, which restricts operation to a strict horizontal plane with a maximum allowed tolerance of $\pm2.5$ degrees.

Q: What are the backplane current draw requirements for this transducer loop?

A: The device contains a passive moving-coil architecture that requires 0 mA of external backplane supply current. It functions as a self-generating electromechanical transducer, creating its own millivolt signal.

Field Installation Guidelines

  • Verify that the machine surface mounting pad is flat, clean, and machined perpendicular to the intended horizontal measuring axis.
  • Torque the 1/4-20 UNC threaded stud configuration to standard engineering limits to prevent structural mechanical attenuation at higher frequencies.
  • Terminate the two-wire differential signal line using a continuous twisted shielded pair to prevent electromagnetic noise induction from nearby power conduits.
  • Ground the outer cable shield layer at the monitoring chassis terminal block end only, maintaining absolute isolation at the sensor casing head.
  • Route the wiring bundle with sufficient slack loops to prevent structural displacement tensions from impacting the physical alignment of the sensor housing.

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