Bently Nevada 330105-02-12-05-02 3300 XL 8 mm Reverse Mount Probes

The Bently Nevada 330105-02-12-05-02 is an 8 mm reverse mount proximity probe from the 3300 XL series, designed for precise non-contact measurement of shaft displacement and vibration in critical rotating machinery. The reverse mount configuration allows flexible installation in tight or constrained spaces while maintaining high accuracy and reliability.

With a total cable length of 0.5 meters and a compact probe diameter, this model provides stable output signals, fast response, and low noise even in high-speed turbine, compressor, and pump environments. The probe is optimized for integration with the 3300 XL monitoring system, offering seamless performance in machinery protection and condition monitoring applications.

Product Parameters

Product Applications

The 330105-02-12-05-02 reverse mount probe is ideal for industrial machinery monitoring in constrained spaces:

• Steam and Gas Turbines – Measuring rotor displacement and vibration in areas where standard probes cannot fit.

• Compressors – Monitoring shaft dynamics and detecting imbalance, misalignment, and oil whirl in confined mounting locations.

• Pumps – Detecting vibration patterns, shaft deflection, and early indications of mechanical wear in tight installations.

• Electric Motors & Generators – Reverse mount allows installation in restricted areas while monitoring rotor stability.

• Bearings – Measuring relative shaft movement and lubrication film stability in areas with limited access.

• Condition Monitoring Systems – Fully compatible with 3300 XL monitoring systems for predictive maintenance and protection.

Product Advantages

• High Precision: Linear measurement within ±1% of full-scale displacement ensures accurate monitoring.

• Reverse Mount Flexibility: Designed for installations where conventional probes cannot be used.

• Non-Contact Measurement: Eliminates mechanical wear, allowing long-term reliable monitoring.

• Rugged Design: Stainless-steel housing ensures durability under industrial conditions.

• Thermal Resilience: Capable of operating from -35 °C to +120 °C.

• Wide Frequency Response: DC to 20 kHz response captures both static displacement and dynamic vibration.

• Seamless System Integration: Compatible with 3300 XL monitoring modules.

• Low Noise Output: Provides clear and stable signals for reliable machinery monitoring.

FAQ

1. What principle does the 330105-02-12-05-02 probe operate on?

   It uses the eddy current principle, generating a voltage proportional to the distance between the probe tip and the conductive shaft.

2. What types of shaft materials can be measured?

   Conductive metals, primarily steel, are ideal for accurate measurements.

3. What is the frequency response range?

   The probe operates from DC up to 20 kHz, suitable for both static and high-speed dynamic monitoring.

4. Can the reverse mount probe measure radial and axial displacement?

   Yes, depending on orientation, it can capture radial shaft vibration or axial movement.

5. How is linearity maintained across the measuring range?

   The combination of the probe design and 3300 XL system linearization keeps measurements within ±1% of full-scale.

6. Can it be integrated into other Bently Nevada systems?

   It is primarily designed for 3300 XL systems but can interface with any system that accepts standard voltage outputs.

7. How does the probe resist electromagnetic interference?

   Shielded cabling and optimized electronics reduce noise from EMI and RFI sources.

8. Is the probe suitable for high-temperature environments?

   Yes, operational up to +120 °C at the probe tip.

9. Is recalibration required after installation?

   No, factory calibration ensures accurate performance; periodic verification is recommended per maintenance standards.

10. How does the reverse mount feature benefit installation?

    It allows the probe to be installed in tight or obstructed areas where conventional probes cannot fit, without compromising measurement accuracy.