Product Overview
The Bently Nevada 21504-00-12-10-02 7200 8 mm Standard Mount Probe is a high-precision sensor designed for vibration and shaft displacement monitoring in critical rotating machinery. Part of the 7200 series, this probe delivers accurate non-contact measurements that help detect mechanical issues early, protecting turbines, compressors, pumps, and other high-speed industrial equipment.
Built to withstand harsh industrial environments, the probe combines eddy-current sensing technology with a robust stainless-steel body. Its standardized mounting ensures easy installation and seamless integration with Bently Nevada 7200 Proximitor sensors, making it an ideal choice for predictive maintenance and machine protection systems across power generation, petrochemical, and heavy manufacturing industries.
Technical Specifications
| Parameter | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 21504-00-12-10-02 |
| Series | 7200 |
| Module Type | Standard Mount Proximity Probe |
| Probe Tip Diameter | 8 mm |
| Measurement Technology | Eddy Current (Non-contact) |
| Linear Measurement Range | 2 mm (80 mils) |
| Recommended Gap | 1.27 mm (50 mils) |
| Frequency Response | DC to 10 kHz |
| Thread Type | Standard Mount (M10 × 1) |
| Connector Type | Miniature coaxial connector |
| Housing Material | Stainless Steel |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Operating Temperature | −52°C to +177°C |
| Maximum Vibration | 20 g (10–2000 Hz) |
| Shock Resistance | Up to 100 g |
Applications
Turbine Monitoring
Tracks rotor vibration and shaft displacement in steam and gas turbines to prevent mechanical damage.
Centrifugal Compressors
Provides precise shaft position feedback for maintaining balance and avoiding faults.
Industrial Pumps and Motors
Detects early signs of misalignment, imbalance, or bearing wear.
Power Generation Plants
Supports machinery protection systems to safeguard generators and high-speed rotating equipment.
Process Industries
Used in petrochemical, mining, and heavy manufacturing facilities for reliable vibration monitoring.
Key Advantages
Non-Contact Precision
Eddy-current sensing delivers accurate displacement measurement without contacting the shaft.
Robust Construction
Stainless-steel housing and PPS tip ensure durability under harsh operating conditions.
Standard Mount for Easy Installation
Designed for standard mounting, simplifying integration with 7200 Proximitor sensors.
High-Temperature Capability
Operates reliably in temperatures up to 177°C.
Supports Predictive Maintenance
Continuous monitoring allows early detection of potential equipment faults, reducing downtime.
Technical FAQs
1. What is the primary function of this probe?
Measures shaft vibration and displacement using non-contact eddy-current technology.
2. What is the probe tip diameter?
8 mm.
3. Is it compatible with the 7200 series monitoring system?
Yes, fully compatible.
4. What is the recommended installation gap?
1.27 mm (50 mils).
5. Which industries use this probe?
Power generation, oil & gas, petrochemical, and heavy manufacturing.
6. What type of mounting does it use?
Standard mount with M10 × 1 thread.
7. Can it operate in high-temperature environments?
Yes, up to 177°C.
8. Does it require physical contact with the shaft?
No, it uses non-contact eddy-current sensing.
9. How does it support predictive maintenance?
Provides real-time vibration and displacement data for early fault detection.
10. Can it withstand high-vibration machinery?
Yes, up to 20 g vibration and 100 g shock.
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