



Product Overview
The Bently Nevada 21500-00-28-05-02 7200 5 mm Probe is a precision non-contact proximity probe designed for use with the Bently Nevada 7200 Series Transducer System. Engineered for reliable shaft displacement and vibration measurement, the probe delivers stable performance, excellent linearity, and long service life in demanding rotating equipment applications.
This model features a 5 mm sensing tip, a 2.8 m (9.2 ft) integrated probe cable, and a miniature coaxial connector, making it suitable for installations that require extended cable routing while maintaining accurate signal transmission. When used with compatible 7200 Series extension cables and Proximitor® sensors, it forms a complete transducer system for continuous machinery monitoring.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 21500-00-28-05-02 |
| Product Type | 7200 5 mm Probe |
| Series | 7200 Transducer System |
| Probe Diameter | 5 mm |
| Measurement Principle | Eddy Current, Non-contact |
| Overall Probe Cable Length | 2.8 m (9.2 ft) |
| Connector Type | Miniature Male Coaxial Connector |
| Probe Thread | 1/4-28 UNF |
| Recommended Installation Torque | 5.1 N·m (45 in·lb) |
| Maximum Installation Torque | 7.3 N·m (65 in·lb) |
| Probe Operating Temperature | -35°C to +177°C (-31°F to +351°F) |
| Minimum Cable Bend Radius | 25.4 mm (1.0 in.) |
| Approximate Probe Weight | 0.32 kg |
| Typical Total System Weight | 0.71 kg |
| Country of Origin | USA |
Typical Applications
The 21500-00-28-05-02 is widely used on rotating equipment where dependable non-contact shaft measurement is required.
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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Blowers
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Power generation equipment
Its 2.8-meter integrated cable provides additional installation flexibility for equipment requiring longer cable routing between the probe location and monitoring hardware.
Technical FAQs
1. What type of probe is the 21500-00-28-05-02?
It is a 7200 Series 5 mm non-contact proximity probe designed for shaft displacement and vibration measurement.
2. What is the probe diameter?
The probe has a 5 mm sensing tip.
3. What is the cable length?
This model includes an integrated 2.8 m (9.2 ft) probe cable.
4. Which connector does this probe use?
It is supplied with a miniature male coaxial connector.
5. What sensing technology does the probe use?
The probe operates using eddy-current non-contact measurement technology.
6. What is the operating temperature range?
The probe is rated for -35°C to +177°C (-31°F to +351°F).
7. What installation torque is recommended?
The recommended installation torque is 5.1 N·m (45 in·lb), with a maximum of 7.3 N·m (65 in·lb).
8. What is the approximate weight?
The probe weighs approximately 0.32 kg, while a complete transducer system typically weighs 0.71 kg.
9. Which systems are compatible with this probe?
The probe is designed for use with compatible 7200 Series extension cables and Proximitor sensors.
10. Is this probe suitable for continuous service?
Yes. It is designed for permanent installation and long-term condition monitoring of rotating machinery.