Bently Nevada 21504-000-008-10-02 7200 8 mm Standard Mount Probe

The Bently Nevada 21504-000-008-10-02 is a standard 8 mm proximity probe from the trusted 7200 Series, designed for precise and reliable non-contact vibration and displacement measurements in critical rotating machinery. With a proven track record in the field, this probe is part of Bently Nevada’s comprehensive condition monitoring solutions used worldwide in power generation, oil & gas, and process industries.

This particular model, with its 8 mm tip and configured cable length, is optimized for applications that require accurate shaft position and vibration detection, especially in harsh industrial environments. It works in conjunction with matching extension cables and Proximitor sensors to deliver high-fidelity signals for machinery protection systems.

Technical Specifications

Applications

The Bently Nevada 21504-000-008-10-02 is widely used in various critical rotating equipment and machinery, including but not limited to:

• Steam and Gas Turbines

  For shaft vibration, position, and thrust measurements to protect against catastrophic failure.

• Compressors (Centrifugal & Reciprocating)

  Monitor mechanical integrity and alignment in high-speed, high-load environments.

• Industrial Pumps

  Detect cavitation-induced vibration and misalignment to reduce maintenance costs.

• Motors and Generators

  Track bearing wear, rotor position, and detect early signs of mechanical imbalance.

• Gearboxes and Couplings

  Identify excessive axial or radial displacement, preventing gear damage.

• Fans and Blowers

  Ensure balance and stability in high-RPM ventilation and cooling systems.

Product Advantages

• High Accuracy and Stability

  Designed to meet strict linearity and sensitivity standards, ensuring reliable readings over long-term operation.

• Non-Contact Design

  Eliminates mechanical wear and allows safe distance-based measurement in harsh environments.

• Field Proven Reliability

  Thousands of installations globally attest to its durability and measurement consistency.

• Rugged Construction

  Sealed body, robust materials, and IP-rated design offer resistance against contaminants, temperature, and vibration.

• System Compatibility

  Fully compatible with Bently Nevada’s 7200 and 3300 series extension cables and Proximitor sensors for end-to-end monitoring.

• Low Maintenance Requirements

  Once installed and calibrated, requires minimal user interaction or servicing.

• Flexible Installation

  Standard thread and cable configurations make it adaptable across a wide range of OEM and retrofit applications.

Frequently Asked Questions (FAQ)

1. What material types is this proximity probe compatible with?

   It’s calibrated for ferromagnetic materials, typically 4140 steel or equivalent.

2. Can I use this probe with a 3300 XL extension cable?

   No, it must be matched with 7200 series components to maintain proper system calibration.

3. What is the operating temperature range of this probe?

   It operates between -35°C and +120°C.

4. How far from the shaft should the probe tip be placed?

   The typical gap is 50 mils (1.27 mm), but it may vary depending on the system calibration.

5. Is this probe ATEX or explosion-proof rated?

   This specific model is not ATEX-rated; check Bently’s hazardous area models for such environments.

6. Can I shorten the probe cable to match my setup?

   No, altering the cable length affects calibration. Always use the factory-assembled length.

7. What tools are needed to install the probe?

   A torque wrench and proper mounting brackets suited for 3/8-24 UNF threads.

8. Is the connector waterproof?

   It is not waterproof on its own. Use protective boots or enclosures in wet environments.

9. How often should I recalibrate the system?

   Recalibration is recommended during major overhauls or every 3-5 years depending on conditions.

10. Can I use this probe on a gearbox shaft?

    Yes, it is commonly used for both radial and axial vibration monitoring on gearboxes.