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SKU: 9200-06-05-10-00

Bently Nevada 9200-06-05-10-00 Velocity Seismoprobe Transducer

The Bently Nevada 9200-06-05-10-00 is a self-generating velocity seismoprobe for casing vibration monitoring. It features a 20 mV/mm/s sensitivity and a 1/4-28 UNF mounting stud.

Technical Specification Overview

The Bently Nevada 9200-06-05-10-00 operates as a self-generating velocity transducer designed to measure absolute casing vibration. This Seismoprobe uses a moving-coil design to provide a voltage signal proportional to the vibration velocity of the machine housing. By monitoring the casing rather than the shaft, this sensor captures the mechanical energy transmitted through the bearing supports. Consequently, it serves as an essential tool for evaluating the structural health of machinery where proximity probes cannot be easily installed.

Design and Functional Capabilities

Engineers designed this specific 9200 series variant to handle the rigorous demands of large rotating machinery. This model features a frequency response range from 10 Hz to 1,000 Hz, making it ideal for tracking low-to-mid frequency mechanical faults. Furthermore, the “06” configuration specifies a standard mounting sensitivity, while the “05” and “10” options define the connector type and environmental sealing. Because the sensor is self-generating, it requires no external power source to produce its signal, which simplifies the wiring architecture for remote monitoring points.

  • Manufacturer: Bently Nevada
  • Model Number: 9200-06-05-10-00
  • Transducer Type: Velocity Seismoprobe 
  • Sensitivity: 20 mV/mm/s (500 mV/in/s) ±5%
  • Frequency Range: 10 Hz to 1.0 kHz
  • Connector Option: 2-pin Mil-spec circular connector
  • Mounting Option: 1/4-28 UNF threaded stud
  • Agency Approval: Standard
  • Orientation: Suitable for horizontal or vertical mounting
  • Operating Temperature: -40°C to +204°C (-40°F to +400°F)

Operational Impact and Industrial Applications

This velocity seismoprobe actively drives condition-based maintenance programs by delivering reliable casing vibration data. The 9200-06-05-10-00 provides the primary input for identifying structural resonances, piping strain, and bearing housing degradation. Because velocity measurements correlate closely with the fatigue and stress experienced by machine components, this sensor allows operators to detect early signs of mechanical looseness or foundation issues. This proactive approach significantly reduces the risk of structural failure and optimizes maintenance intervals.

Primary industrial applications include:

  • Gas and Steam Turbines: Monitoring casing vibration levels to ensure structural integrity.
  • Large Electric Motors: Tracking the vibration of stator housings and bearing pedestals.
  • Reciprocating Compressors: Measuring the dynamic forces transmitted to the machine base.
  • Fans and Blowers: Providing continuous protection against rotor imbalance and aerodynamic instability.

Mechanical Integrity and Environmental Resilience

Bently Nevada utilizes a ruggedized stainless steel housing to ensure the 9200-06-05-10-00 withstands the punishing conditions of industrial machine decks. The internal coil assembly is hermetically sealed to prevent the ingress of moisture, oil, and dust, which preserves the accuracy of the signal. Additionally, the transducer’s design minimizes sensitivity to cross-axis vibration, ensuring that the output signal reflects only the vibration in the intended direction of measurement. This precision allows for high-fidelity diagnostic analysis even in high-noise environments like power plants and refineries.