Bently Nevada 330101-00-20-10-02-00 3300 XL 8mm Proximity Probes

The Bently Nevada 330101-00-20-10-02-00 is a robust, non-contact proximity probe designed as part of the 3300 XL 8mm Proximity Transducer System, which has become the industry standard for shaft vibration and position monitoring in critical rotating machinery.

This particular model is built with a 20-foot unarmored coaxial cable, a metric M10x1 mounting thread, and a straight connector (02 type). The probe is factory calibrated to AISI 4140 steel, ensuring high accuracy and repeatability in industrial environments. It offers API 670-compliant vibration monitoring performance and integrates seamlessly with 3300 XL extension cables and Proximitor® sensors.

With its 8 mm tip, rugged construction, and precise output, this probe is ideally suited for compressors, turbines, pumps, and other high-speed rotating equipment where continuous monitoring is vital for predictive maintenance and operational safety.

Technical Specifications

Applications

The 330101-00-20-10-02-00 proximity probe is specifically designed for continuous machinery protection and condition monitoring in heavy-duty rotating equipment. Common applications include:

• Steam and Gas Turbines

  Provides real-time vibration feedback for bearing and rotor condition.

• Centrifugal and Reciprocating Compressors

  Detects shaft displacement and vibration to prevent catastrophic failures.

• Large Industrial Pumps

  Monitors axial and radial movement, reducing bearing and seal wear.

• Electric Motors and Generators

  Ensures alignment and balance, critical for high-speed rotating components.

• Gearboxes and Speed Reducers

  Identifies misalignment, gear tooth damage, and lubrication issues.

• Thrust Position Monitoring

  Accurately tracks axial shaft displacement to warn of thrust bearing degradation.

Product Advantages

• High Accuracy and Sensitivity

  Output of -200 mV/mil delivers precise measurement over wide ranges.

• Wide Operating Temperature

  Reliable performance in extreme industrial environments up to 177°C.

• Modular Compatibility

  Fully compatible with all 3300 XL extension cables and Proximitor sensors.

• Metric Mounting Flexibility

  M10x1 thread facilitates easy integration in European and global systems.

• ClickLoc™ Connector System

  Secures probe-to-cable connection under vibration and thermal cycling.

• Meets API 670 Standards

  Trusted by OEMs and end-users in oil & gas, power generation, and refining.

• Maintenance Friendly

  Easily replaceable and re-routable in the field without special tools.

Frequently Asked Questions (FAQ)

1. What is the cable length of this model?

It has a 1.0 meter unarmored coaxial cable.

2. Is the probe calibrated to a specific material?

Yes, it is factory calibrated to AISI 4140 steel, commonly used for shafts.

3. Can this probe be used in high-temperature environments?

Absolutely. It is rated for continuous operation up to 177°C (350°F).

4. Is it compatible with older Proximitor sensors?

No, this probe is optimized for use with 3300 XL Proximitor sensors only.

5. What is the thread type and size?

The probe features an M10x1 metric mounting thread.

6. Can I use this probe for axial thrust measurement?

Yes, it’s suitable for both radial and axial shaft measurements.

7. Does it require frequent recalibration?

Typically no. Recalibration is not required unless environmental conditions change drastically.

8. How is the electrical connection made?

Via a ClickLoc™ straight coaxial connector for secure, tool-free installation.

9. What output does this sensor provide?

A voltage output of approximately -200 mV per mil of shaft movement.

10. What is the recommended mounting torque?

Mounting torque should follow Bently Nevada specifications—typically 5.6 N·m (50 in-lb) for M10 threads.