



Product Overview
The Bently Nevada 21504-000-008-05-02 7200 8 mm Standard Mount Probe is a precision non-contact proximity probe designed for use with the 7200 Series Transducer System. Engineered for reliable shaft displacement and vibration measurement, this probe delivers stable signal performance and excellent durability in demanding rotating equipment applications.
This model features an 8 mm probe tip, a standard-mount threaded body, and a 0.5 m (20 in.) integrated cable. When combined with compatible 7200 Series extension cables and Proximitor sensors, it forms a complete transducer system capable of providing accurate and repeatable measurements over extended service periods.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 21504-000-008-05-02 |
| Product Type | 7200 8 mm Standard Mount Probe |
| Series | 7200 Transducer System |
| Probe Diameter | 8 mm |
| Mounting Style | Standard Mount |
| Measurement Principle | Eddy Current, Non-contact |
| Thread Size | 3/8-24 UNF |
| Unthreaded Length | 0 in. |
| Case Length | 0.8 in. (20.3 mm) |
| Integrated Cable Length | 0.5 m (20 in.) |
| Connector Type | Miniature Male Coaxial Connector |
| Recommended Installation Torque | 5.1 N·m (45 in·lb) |
| Maximum Installation Torque | 7.3 N·m (65 in·lb) |
| Operating Temperature | -35°C to +177°C (-31°F to +351°F) |
| Minimum Cable Bend Radius | 25.4 mm (1.0 in.) |
| Approximate Dimensions | Ø8 mm Probe Tip × 20.3 mm Case Length |
| Approximate Weight | 0.12 kg |
| Country of Origin | USA |
Typical Applications
The 21504-000-008-05-02 is designed for continuous shaft vibration and displacement measurement on rotating equipment requiring dependable non-contact sensing.
Typical applications include:
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Steam turbines
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Gas turbines
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Centrifugal compressors
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Pumps
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Electric motors
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Gearboxes
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Fans
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Blowers
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Generators
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Process machinery
Its compact standard-mount configuration allows straightforward installation in equipment where space is limited while maintaining excellent measurement accuracy.
Technical FAQs
1. What type of probe is the 21504-000-008-05-02?
It is a 7200 Series 8 mm Standard Mount Proximity Probe designed for non-contact shaft measurement.
2. What is the probe diameter?
The probe features an 8 mm sensing tip.
3. What cable length is supplied?
The probe includes a 0.5 m (20 in.) integrated cable.
4. What mounting style does this model use?
This model uses a standard threaded mounting configuration.
5. What is the measurement principle?
The probe operates using eddy-current non-contact sensing technology.
6. What operating temperature range is supported?
The probe operates from -35°C to +177°C (-31°F to +351°F).
7. What thread size is used?
The mounting thread is 3/8-24 UNF.
8. What is the approximate product weight?
The probe weighs approximately 0.12 kg.
9. Which products are compatible with this probe?
It is designed for use with compatible 7200 Series extension cables and Proximitor sensors.
10. Is this probe intended for continuous monitoring?
Yes. It is designed for permanent installation and long-term monitoring of rotating machinery.