The Bently Nevada 9200-01-01-10-00, also cataloged as the 9200 Velocity Transducer, operates as a dedicated hardware component for casing vibration velocity measurement within Bently Nevada Machinery Protection System platforms.

Suffix Breakdown & Model Matrix

• 9200: Seismoprobe Velocity Transducer base model.

• 01: Mounting Option variant (1/2-20 UNF stud mount).

• 01: Calibration/Frequency Option selection (Standard 15 Hz to 1000 Hz operating band).

• 10: Connector Option setting (Top-mounted 2-pin Mil-C-5015 hermetic connector).

• 00: Agency Approval option (No standard hazardous area certification flags specified for this design matrix).

Hardware Specifications

Casing Vibration Dynamics and Rotor Tracking

The 9200-01-01-10-00 utilizes a moving-coil and permanent magnet geometry to generate a voltage signal directly proportional to absolute structural velocity. Unlike proximity probes that monitor relative shaft displacement through eddy-current probe scaling and require strict gap voltage validation (-10 VDC targets), this seismic sensor captures high-frequency casing energy transmitted by structural rotor dynamics.

The passive electromechanical system operates independently of external power loops. Internal structural damping metrics prevent resonant amplification within the specified tracking bandwidth, while physical shielding measures guarantee external cross-talk suppression when mounted near high-induction motor frames or alternating current exciters.

Frequently Asked Questions

Q: Does this passive moving-coil velocity transducer require external power supply loops from the monitor card?

A: No. The 9200 hardware architecture uses an internal coil moving through a magnetic field to output a self-generated voltage signal. It does not pull power or bias currents from the processing monitor backplane.

Q: What are the measurement errors if this vertical-mount variant is installed at a 45-degree angle?

A: Installing this specific vertical configuration past its maximum +/- 10 deg orientation limit increases internal mechanical friction on the suspension springs. This leads to non-linear responsiveness, calibration shift, and potential locking of the internal mass tracking rotor dynamics.

Q: Can this sensor be hot-swapped while the machinery monitoring loops are live?

A: Yes. The passive nature of the transducer loop permits direct physical substitution. However, disconnecting the Mil-C-5015 terminal interface will drop the signal loop to zero, which registers as a channel fault or sensor failure at the monitor chassis, requiring manual bypass activation.

Field Installation Guidelines

• Mounting Torque Limits: Secure the 1/2-20 UNF mounting stud to the machined surface using an exact mechanical torque of 13.5 N-m (120 in-lb). Insufficient torque introduces high-frequency mechanical signal attenuation across the interface.

• Surface Preparation: The mounting surface must be machined flat to within 0.025 mm (0.001 in) total indicator reading with a surface finish of 0.8 micrometers (32 microinches) or better to optimize frequency transmission.

• Cable Strain Relief: Ensure the two-pin interconnect cable is physically anchored within 150 mm (6.0 in) of the sensor housing to prevent wire fatigue from continuous casing vibration.

• Shielding Continuity: The signal cable shield must run isolated from the transducer housing and structural casing ground, terminating exclusively at the instrumentation panel ground terminal to eliminate parasitic current loops.

Ordering Information

The standard delivery item contains:

1. (1) 9200-01-01-10-00 Seismoprobe Velocity Transducer hardware assembly.

2. (1) 1/2-20 UNF threaded mounting stud adapter.

3. (1) Nitrile interface environmental sealing washer.

4. (1) Factory conformance calibration datasheet certificate.

Delivery and Handling Profiling

• Transit Timeline: 2-7 days when payment finish through standard commercial clearing paths.

• Logistics Distribution: Dispatched globally via high-priority air express utilizing DHL, FEDEX, or UPS.

• Protective Containment: Encapsulated within specialized anti-static industrial packaging lined with multi-axis molded foam protection barriers to ensure internal mechanical alignments are preserved during transit.