Bently Nevada 21505-04-12-90-02 7200 8mm Standard Mount Probe

The Bently Nevada 21505-04-12-90-02 7200 8mm Standard Mount Probe is part of the 7200 series proximity transducers, designed for shaft vibration and position measurement in rotating machinery. Using eddy current technology, it delivers accurate, real-time monitoring of displacement and vibration.

With an 8 mm tip diameter, this probe balances compact installation with robust performance. It is widely used in turbines, compressors, pumps, and other high-speed machinery. Combined with its matching extension cables and proximitor sensors, it forms a complete non-contact measurement system. Its stainless-steel body, standard mounting design, and enhanced durability ensure stable operation even in harsh industrial environments.

Product Specifications

Applications

• Shaft vibration monitoring in turbines, compressors, and motors.

• Axial position measurement for thrust bearing protection.

• Gearbox monitoring to detect early faults like misalignment or wear.

• Power generation equipment monitoring for continuous operation.

• Petrochemical plants where reliability in harsh conditions is required.

• Rotating machinery protection systems in critical industries.

Advantages

• Proven Eddy Current Technology: Reliable and accurate non-contact sensing.

• Standard Mount Design: Simplifies installation and ensures compatibility.

• Durability: Stainless steel body and ceramic tip for harsh conditions.

• Wide Frequency Response: Captures dynamic vibration signals effectively.

• System Compatibility: Works with Bently Nevada extension cables and proximitor modules.

• High Stability: Immune to EMI/RFI interference and temperature drift.

• Global Trust: Recognized as a reliable standard in rotating machinery monitoring.

Frequently Asked Questions (FAQ)

1. What is the sensitivity of the 7200 8mm probe?

   It provides 200 mV/mil (7.87 mV/µm).

2. What is the linear range of this probe?

   Up to 2.0 mm (80 mils) displacement.

3. Which proximitor does it pair with?

   It is designed to work with 7200 series proximitor sensors.

4. What is the maximum vibration limit?

   The probe withstands 200 g at 10 kHz.

5. What type of signal output is supported?

   Voltage output proportional to shaft displacement.

6. What is the frequency response range?

   Effective from DC to 10 kHz.

7. Can it be installed in high-temperature environments?

   Yes, operating range is -35°C to +180°C.

8. What material is used for the probe tip?

   Ceramic, ensuring non-conductive durability.

9. Is it compatible with existing Bently Nevada monitoring racks?

   Yes, fully integrates with standard Bently Nevada systems.

10. Does it support continuous monitoring applications?

    Yes, it is designed for real-time, continuous shaft monitoring.