Engineered for Accurate Shaft Monitoring
The Bently Nevada 21504-00-08-05-02 7200 8 mm Standard Mount Probe is a precision non-contact displacement sensor developed for continuous monitoring of shaft vibration, axial position, and radial movement in critical rotating machinery. As part of the proven 7200 Proximity Transducer System, this probe delivers consistent, high-resolution measurements that help improve equipment reliability and support predictive maintenance strategies. It is designed for seamless integration into industrial monitoring systems where dependable performance is essential.
Configured with an 80 mm overall case length, 0.5-meter integral cable, and a miniature male coaxial connector, this standard mount probe is suitable for a wide variety of industrial installations. Its rugged construction and stable electrical characteristics make it an excellent choice for continuous operation in demanding environments such as power generation, petrochemical processing, and oil & gas production.
Product Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 21504-00-08-05-02 |
| Product Type | 7200 8 mm Standard Mount Probe |
| Series | 7200 Proximity Transducer System |
| Probe Diameter | 8 mm |
| Mounting Style | Standard Mount |
| Thread Type | 3/8-24 UNF |
| Unthreaded Length | 0 mm |
| Overall Case Length | 80 mm (3.15 in) |
| Integral Cable Length | 0.5 m (20 in) |
| Connector Type | Miniature Male Coaxial Connector |
| Measurement Principle | Eddy Current (Non-contact) |
| Typical Linear Range | 2.0 mm (80 mils) |
| Typical Scale Factor | 200 mV/mil (7.87 V/mm) |
| Operating Temperature | -51°C to +177°C |
| Dimensions | Approx. 80 × 8 mm |
| Weight | Approx. 0.23 kg |
Typical Industrial Uses
The 21504-00-08-05-02 probe is widely used in machinery protection systems that require accurate and continuous shaft monitoring.
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Steam turbines
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Gas turbines
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Centrifugal compressors
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Industrial pumps
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Electric motors
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Power generators
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Gearboxes
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Blowers and fans
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Petrochemical processing plants
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Oil and gas production facilities
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Mining equipment
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Pulp and paper manufacturing systems
Technical FAQs
1. What is the primary function of this probe?
The probe continuously measures shaft vibration, position, and displacement without physical contact, helping protect critical rotating machinery.
2. 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.
3. What is the probe diameter?
This model features an 8 mm sensing tip, making it suitable for a wide range of industrial machinery monitoring applications.
4. What is the overall case length?
The probe has an 80 mm overall case length, providing a compact design for standard mounting applications.
5. How long is the integral cable?
The integral cable measures 0.5 meter (20 inches) and is terminated with a miniature male coaxial connector.
6. Which mounting thread does the 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 does this probe use?
It operates using eddy current sensing technology, providing highly accurate non-contact measurement of conductive shaft surfaces.
8. Can this probe operate continuously in industrial environments?
Yes. It is engineered for long-term continuous operation and maintains stable performance under harsh industrial conditions.
9. Which types of equipment commonly use this probe?
It is commonly installed on turbines, compressors, motors, pumps, generators, and other rotating machinery requiring continuous condition monitoring.
10. What makes this probe a reliable choice?
Its proven measurement accuracy, durable construction, compact design, and compatibility with the 7200 Series monitoring platform make it an excellent solution for industrial machinery protection.
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