Reliable Moving-Coil Velocity Sensor for Industrial Machinery Vibration Monitoring

The Bently Nevada 16699-02-05-03 Velocity Seismoprobe is a rugged moving-coil velocity transducer designed to measure absolute casing vibration on rotating machinery. Unlike proximity probes that monitor shaft motion, the Velocity Seismoprobe directly measures vibration of bearing housings, machine casings, and structural components, making it an ideal solution for machinery protected using seismic vibration monitoring. Its self-generating design requires no external power supply, providing dependable operation for both continuous monitoring systems and portable vibration analysis. The moving-coil technology also offers excellent resistance to shock and impact when compared with integrated electronic velocity sensors.

The 16699-02-05-03 configuration belongs to Bently Nevada's classic Velocity Seismoprobe family and is widely used on turbines, compressors, motors, pumps, fans, and auxiliary rotating equipment where housing vibration is the preferred monitoring parameter. It is compatible with Bently Nevada seismic monitoring systems and machinery protection equipment designed for velocity transducers.

Technical Specifications

Technical FAQs

1. What does the 16699-02-05-03 Velocity Seismoprobe measure?

It measures absolute vibration velocity of bearing housings, machine casings, and structural components rather than shaft displacement.

2. How does a Velocity Seismoprobe differ from a proximity probe?

A proximity probe measures shaft movement, while a Velocity Seismoprobe measures machine casing vibration. Both technologies are commonly used together in comprehensive machinery protection systems.

3. Does this sensor require an external power supply?

No. The moving-coil design is self-generating and produces its own output signal without external excitation.

4. What sensing technology does it use?

It uses moving-coil electromagnetic technology, producing an output voltage proportional to vibration velocity.

5. Which machinery commonly uses this sensor?

It is widely installed on turbines, compressors, pumps, fans, motors, gearboxes, and other rotating equipment.

6. Can it be used for continuous online monitoring?

Yes. It is designed for permanent installation in machinery protection and condition monitoring systems.

7. Is the sensor suitable for harsh industrial environments?

Yes. Its sealed construction provides excellent resistance to vibration, contamination, and industrial operating conditions.

8. What is the primary benefit of moving-coil technology?

Moving-coil sensors provide excellent low-frequency performance and are generally less sensitive to impact or impulsive excitation than many solid-state velocity sensors.

9. Which monitoring systems are compatible?

The sensor is compatible with Bently Nevada seismic monitoring equipment, including systems designed to accept Seismoprobe inputs.

10. Why choose the 16699 Velocity Seismoprobe?

It combines proven moving-coil sensing technology, dependable long-term reliability, simple installation, and accurate casing vibration measurement, making it an excellent choice for industrial machinery protection.