Reliable Non-Contact Measurement for Rotating Equipment

The Bently Nevada 21504-000-040-05-02 7200 8mm Standard Mount Probe is a precision eddy current proximity probe developed for continuous monitoring of shaft vibration, axial position, and radial displacement in critical rotating machinery. As a key component of the 7200 Series Proximity Transducer System, this probe delivers stable, repeatable measurements that help maintenance teams identify developing mechanical issues before they impact equipment performance. It is widely used in predictive maintenance programs where measurement accuracy and long-term reliability are essential.

Featuring an 8 mm probe tip, 4-inch case length, and 0.5-meter integral cable, this model is designed for standard mounting applications requiring dependable sensing performance in demanding industrial environments. Its rugged stainless steel construction and miniature coaxial connector ensure reliable operation while simplifying installation and system integration.

Technical Specifications

Technical FAQs

1. What is the primary purpose of this probe?

The probe is designed to measure shaft vibration, displacement, and position without contacting the rotating shaft, helping improve machinery reliability.

2. Which monitoring system is this probe compatible with?

It is intended for use with the Bently Nevada 7200 Series Proximity Transducer System, including compatible extension cables and Proximitor sensors.

3. What is the probe diameter?

This model features a standard 8 mm probe tip, making it suitable for a wide range of industrial monitoring applications.

4. What is the overall case length?

The probe has a 4.0-inch (102 mm) case length, providing additional installation flexibility in machinery with deeper mounting locations.

5. How long is the integral cable?

The supplied integral cable measures 0.5 meter (20 inches) and terminates with a miniature male coaxial connector.

6. What thread size does the probe use?

The probe utilizes a 3/8-24 UNF threaded body for secure installation in standard probe brackets and housings.

7. What measurement technology is used?

The probe operates using eddy current sensing technology, allowing highly accurate non-contact measurement of conductive shaft surfaces.

8. Can this probe withstand harsh industrial environments?

Yes. Its robust construction and industrial-grade materials provide dependable performance in demanding operating conditions commonly found in process industries.

9. Which machines commonly use this probe?

It is widely installed on turbines, compressors, pumps, motors, generators, and other critical rotating equipment where continuous vibration monitoring is required.

10. Why is the 7200 Series still trusted by industrial users?

The 7200 Series is recognized for its reliable measurement performance, durable construction, and compatibility with established machinery protection systems, making it a proven solution for long-term equipment monitoring.