Product Overview

The Bently Nevada 135473-01 is a self-generating velocity transducer (seismic pickup) used to measure absolute vibration on machine casings, bearing housings, and other structural components. It operates on the principle of a moving coil in a magnetic field, producing an output voltage directly proportional to the vibration velocity. This sensor is widely employed in machinery protection systems to detect changes in mechanical condition.

Key Features

• Passive design – no external power required

• High sensitivity for low-level vibration detection

• Wide frequency response covering typical machine fault frequencies

• Rugged construction for harsh industrial environments

• Standard mounting footprint (1/4-28 threaded hole)

• Integral cable option for easy installation

Technical Specifications

• Model: 135473-01

• Type: Seismic velocity transducer (electrodynamic)

• Sensitivity: 20 mV/mm/s ±5%

• Frequency Range: 10 Hz to 1,000 Hz

• Measurement Range: 0 to 50 mm/s peak

• Transverse Sensitivity:

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• Operating Temperature: -30°C to +120°C

• Housing Material: Stainless steel

• Protection Class: IP66

Applications

The 135473-01 is ideal for monitoring fans, pumps, motors, and gearboxes where casing vibration is a reliable indicator of mechanical health. It is commonly used in refineries, power plants, and manufacturing facilities as part of a continuous monitoring system.

Benefits

Because it requires no power, the 135473-01 is simple to install and maintain. Its robust design ensures long-term reliability even in harsh conditions. The sensor's output is directly compatible with Bently Nevada monitors, enabling seamless integration into existing protection systems.

Conclusion

The Bently Nevada 135473-01 seismic velocity transducer delivers accurate and dependable vibration measurements for machinery protection. Its proven technology and rugged build make it a preferred choice for critical asset monitoring.