Description

Bently Nevada 9200-02-01-10-00 Seismoprobe Velocity Transducer

The Bently Nevada 9200-02-01-10-00 is a self-generating velocity seismoprobe designed to monitor casing vibration on large rotating machinery. This transducer utilizes a moving-coil design to provide a voltage output directly proportional to the vibration velocity. It excels at capturing low-to-medium frequency data on assets such as steam turbines, centrifugal compressors, and large pumps. Unlike accelerometers that may respond excessively to high-frequency “noise” or impact events, the 9200 series filters out these distractions to provide a clearer picture of mechanical health.

Moving-Coil Technology and Passive Operation

A primary advantage of the 9200-02-01-10-00 is its passive operational nature. The transducer requires no external power source to function, which simplifies wiring and reduces installation costs in complex plant layouts. The internal spring-mass system moves through a magnetic field to generate the signal, ensuring reliable performance in remote or hazardous locations. Its anodized aluminum housing provides a rugged shield against the chemical exposure and physical rigors common in petrochemical and power generation facilities.

Technical Specifications

The 9200-02-01-10-00 configuration adheres to the following technical standards:

• Manufacturer: Bently Nevada (Baker Hughes)
• Model Number: 9200-02-01-10-00
• Product Type: Seismoprobe Velocity Transducer
• Sensitivity: $20\text{ mV/mm/s}$ ($500\text{ mV/in/s}$) ±5%
• Mounting Angle: 02 (Vertical, $0\text{°} \pm 10\text{°}$)
• Connector Option: 01 (Top mount, 2-pin Mil-spec)
• Agency Approval: 10 (Multiple approvals for hazardous areas)
• Frequency Response: $10\text{ Hz}$ to $1,000\text{ Hz}$ ($600\text{ cpm}$ to $60,000\text{ cpm}$)
• Case Material: Anodized Aluminum
• Weight: 0.46 kg

Optimized Monitoring and Field Utility

Industrial maintenance teams deploy the 9200-02-01-10-00 for both permanent monitoring and portable diagnostic checks. Its two-wire interface allows for rapid integration into existing Turbine Supervisory Instrumentation (TSI) and 3500 series machinery protection systems. Because velocity measurements are less sensitive to high-frequency impact excitation, this seismoprobe provides a more stable baseline for detecting rotor unbalance and bearing misalignment. This accuracy allows operators to implement condition-based maintenance strategies, effectively reducing unplanned downtime and preventing catastrophic asset failure.

Reliability in Demanding Industrial Environments

Bently Nevada engineered the 9200-02-01-10-00 to perform in the most challenging industrial climates. The transducer withstands extreme humidity and temperature variations without compromising signal stability. Its compact form factor enables installation in confined spaces around bearing housings where traditional sensors might not fit. By providing dependable, real-time vibration insights, the 9200 series helps global industries maintain high safety standards and operational efficiency for their most critical rotating equipment.