Bently Nevada 330171-00-12-05-02-00 3300 5 mm Proximity Probes

The Bently Nevada 330171-00-12-05-02-00 is a high-precision proximity probe that is part of the globally trusted 3300 XL series, designed for long-term, reliable monitoring of critical rotating machinery. As a 5 mm reverse mount proximity probe, it is engineered for applications requiring installation from the rear of the mounting surface, offering enhanced flexibility in compact or restricted-access spaces.

This model is widely used for non-contact vibration and position monitoring in turbines, compressors, pumps, and other heavy-duty rotating equipment. Its robust construction, high temperature resilience, and compatibility with Bently Nevada’s 3300 XL Proximitor® Sensor make it a top-tier solution for condition-based monitoring in mission-critical environments such as oil & gas, petrochemicals, and power generation.

The 330171-00-12-05-02-00 probe includes is API 670 compliant, and meets the highest standards of linearity, durability, and electromagnetic immunity.

Technical Specifications

Applications

The 330171-00-12-05-02-00 is designed for industrial environments where accurate, real-time vibration and position data is essential for machine protection and diagnostics. Common application areas include:

• Steam & Gas Turbines

• Centrifugal Compressors

• Electric Motors and Alternators

• Multistage Pumps and Fans

• Gearboxes and Blowers

• Critical Skid-Mounted Equipment

• Wind Turbines and Industrial Drives

• Marine Propulsion Systems

It is ideal for OEM system integration, retrofitting, and remote installations in harsh industrial settings.

Product Advantages

• Reverse Mount Design

  Simplifies installation in tight or sealed equipment locations.

• API 670 Compliant

  Fully meets stringent industry requirements for protection systems in rotating machinery.

• Extended Cable Length

  12 ft integral cable allows flexible routing in large machinery layouts.

• Superior Signal Accuracy

  Exceptional linearity and sensitivity for dependable measurement of shaft dynamics.

• High Temperature Operation

  Functions reliably in environments up to 177°C, ensuring performance in turbine housings or hot zones.

• Electromagnetic Shielding

  Coaxial stainless steel overbraid ensures signal integrity in electrically noisy environments.

• Robust Construction

  Built to survive continuous operation under shock and vibration loads.

• Seamless Compatibility

  Works with all Bently Nevada 3300 XL extension cables and proximitor systems.

Frequently Asked Questions (FAQ)

1. What is the specific use case of this 330171 model?

   It is used for measuring shaft vibration and axial or radial position in rotating equipment.

2. Why choose a 12 ft cable version?

   The 12 ft cable provides routing flexibility, especially in large machinery with remote proximitor locations.

3. How is a reverse mount probe installed?

   It is inserted from the rear of the mounting plate or bracket, typically secured with locking nuts or clamps.

4. Does it work with extension cables?

   Yes, it is compatible with Bently Nevada 3300 XL extension cables.

5. What’s the function of the stainless-steel overbraid?

   It shields the signal cable from electromagnetic interference (EMI), ensuring accurate readings.

6. Can this probe operate at high temperatures?

   Yes, it operates up to +177°C, making it suitable for turbine and compressor applications.

7. What standards does it comply with?

   It complies with API 670, CE directives, and RoHS environmental standards.

8. Is calibration required after installation?

   Factory-calibrated, but users are recommended to verify calibration annually for critical systems.

9. How does it compare to an 8 mm probe?

   5 mm probes are more compact and ideal for smaller shaft diameters or tight mounting zones.

10. What kind of machinery is best suited for this probe?

    It’s suitable for turbines, compressors, pumps, gearboxes, and any critical rotating asset.