Rugged Armored Probe for Reliable Machinery Protection

The Bently Nevada 21505-000-012-05-02 7200 8 mm Standard Mount Armored Probe is a robust eddy current proximity probe engineered for continuous, non-contact monitoring of shaft vibration, axial position, and displacement in critical rotating machinery. As part of the trusted 7200 Proximity Transducer System, this armored probe combines precise measurement performance with enhanced mechanical protection, making it ideal for installations where cables are exposed to abrasion, vibration, or harsh industrial conditions. It provides stable signal transmission that helps maintenance teams detect machinery abnormalities early and maximize equipment availability.

Featuring an 8 mm sensing tip, 1.2-inch (30.5 mm) case length, and a 0.5-meter stainless steel armored integral cable, this probe is designed for demanding applications in power generation, petrochemical processing, oil and gas production, and heavy manufacturing. The armored construction significantly improves cable durability while maintaining the measurement accuracy expected from the Bently Nevada 7200 Series.

Technical Specifications

Technical FAQs

1. What is the primary function of this armored probe?

It continuously measures shaft vibration, displacement, and axial position without physical contact while providing additional cable protection in harsh industrial environments.

2. How does an armored probe differ from a standard probe?

The armored version includes a stainless steel protective sheath around the cable, offering greater resistance to mechanical damage, abrasion, and harsh operating conditions.

3. Which monitoring system is this probe compatible with?

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

4. What is the probe diameter?

The probe features a standard 8 mm sensing tip, making it suitable for a broad range of industrial rotating machinery applications.

5. How long is the integral cable?

This configuration includes a 0.5-meter (20-inch) armored integral cable with a miniature male coaxial connector.

6. What mounting thread does this probe use?

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

7. What measurement technology is used?

The probe operates using proven eddy current sensing technology, delivering precise non-contact measurement of conductive shaft surfaces with excellent repeatability.

8. Where is an armored probe recommended?

It is ideal for installations where the probe cable may be exposed to vibration, mechanical wear, sharp edges, or other demanding industrial conditions.

9. Which equipment commonly uses this probe?

It is widely installed on turbines, compressors, generators, motors, pumps, and other critical rotating machinery requiring continuous condition monitoring.

10. Why choose the 21505-000-012-05-02?

Its combination of accurate vibration measurement, stainless steel armored protection, durable construction, and compatibility with the proven 7200 monitoring platform makes it an excellent solution for long-term industrial machinery protection.