Bently Nevada 21500-00-28-05-02 7200 5mm Probe

The Bently Nevada 21500-00-28-05-02 7200 5mm Probe is a precision industrial proximity sensor engineered for high-performance machinery condition monitoring. Designed for the Bently Nevada 7200 series, this probe provides accurate measurement of shaft displacement, vibration, and rotor position in rotating machinery such as turbines, compressors, and generators. Its robust construction allows it to withstand harsh industrial environments, delivering consistent and repeatable readings essential for early fault detection and predictive maintenance strategies. The probe integrates seamlessly with Bently Nevada monitoring systems, supporting continuous machinery protection and performance optimization.

Product Specifications

Applications

The 21500-00-28-05-02 probe is widely applied in environments where precise monitoring of rotating machinery is required:

• Turbine Monitoring: Provides accurate vibration and shaft displacement data for steam, gas, and hydro turbines.

• Compressor and Generator Protection: Supports real-time monitoring to prevent catastrophic failures and reduce unplanned downtime.

• Industrial Vibration Analysis: Supplies high-resolution signals for condition-based maintenance and machinery diagnostics.

• Research & Development: Used in test rigs and rotor dynamic analysis to validate machine designs and alignment.

• Harsh Environment Operation: Resistant to high temperatures and industrial contaminants, ensuring stable performance under demanding conditions.

Advantages

• High Accuracy: Linear output ensures precise shaft displacement measurements.

• Rugged Construction: Stainless steel housing and robust internal components provide resistance against mechanical stress and industrial conditions.

• Reliable Signal Transmission: Coaxial output maintains signal integrity even in electrically noisy environments.

• Compact Design: Small probe diameter allows installation in tight spaces without compromising performance.

• Wide Temperature Range: Operates reliably from -40°C to +120°C.

• Seamless Integration: Fully compatible with Bently Nevada 7200 series systems for comprehensive machinery protection.

FAQ

1. What type of signal does the 21500-00-28-05-02 probe output?

   The probe provides an AC voltage signal proportional to shaft displacement.

2. What is the linearity specification of this probe?

   The linearity is ±1% of the full-scale measurement.

3. What is the operating temperature range?

   The probe functions reliably between -40°C and +120°C.

4. Can this probe handle high vibration environments?

   Yes, the probe is designed to operate in high vibration conditions without signal degradation.

5. What is the response frequency range?

   The probe responds instantly to vibration frequencies within the rated range of the 7200 monitoring system.

6. Is the probe suitable for high-speed rotors?

   Yes, it accurately monitors vibration and displacement of high-speed rotating machinery.

7. How is the probe installed in the system?

   It is mounted with a threaded housing and aligned coaxially with the shaft.

8. What is the insulation resistance requirement?

   Insulation resistance is ≥100 MΩ at 500 VDC.

9. Can the probe detect both axial and radial displacements?

   The probe measures radial displacement; axial measurements require additional system configuration.

10. How does the probe maintain signal stability over long-term operation?

    High-quality materials, stable coil design, and coaxial connection ensure minimal drift and reliable output.