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

The Bently Nevada 330105-02-12-05-02-RU is a precision 8 mm reverse mount proximity probe from the 3300 XL series, specifically engineered for high-accuracy non-contact measurement of shaft vibration and displacement in critical rotating machinery. The reverse mount configuration allows installation in constrained or reverse-facing positions where conventional probes cannot fit, making it ideal for complex mechanical assemblies.

With a total cable length of 0.5 meters and compact stainless-steel housing, this model delivers stable voltage output, low noise, and fast response, ensuring reliable monitoring in turbines, compressors, pumps, and motors. Its design ensures full compatibility with 3300 XL monitoring systems, providing seamless integration for machinery protection and condition monitoring.

Product Parameters

Product Applications

The 330105-02-12-05-02-RU reverse mount probe is designed for industrial machinery monitoring in challenging or constrained installations:

• Steam and Gas Turbines – Monitoring rotor vibration and displacement in locations inaccessible to standard probes.

• Compressors – Detecting shaft imbalance, misalignment, or oil whirl in tight spaces.

• Pumps – Monitoring vibration and shaft deflection in confined installation areas.

• Electric Motors & Generators – Reverse mounting allows monitoring in restricted areas while capturing precise shaft dynamics.

• Bearings – Evaluating relative shaft movement and lubrication film stability where space constraints exist.

• Condition Monitoring Systems – Compatible with 3300 XL modules for predictive maintenance and machinery protection.

Product Advantages

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

• Reverse Mount Flexibility: Designed for tight or reverse-facing installation environments.

• Non-Contact Technology: Eliminates mechanical wear, enhancing long-term reliability.

• Rugged Stainless-Steel Construction: Provides durability in industrial and high-stress environments.

• Wide Thermal Range: Reliable operation from -35 °C to +120 °C at the probe tip.

• Wide Frequency Response: DC to 20 kHz captures both slow shaft movements and high-frequency vibration.

• Seamless Integration: Fully compatible with 3300 XL monitoring systems.

• Low-Noise Signal: Ensures high-quality output for precise monitoring and analysis.

FAQ

1. How does the 330105-02-12-05-02-RU probe measure shaft displacement?

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

2. What shaft materials are compatible with this probe?

   Conductive metals, primarily steel, are recommended for accurate displacement and vibration measurement.

3. What is the probe’s frequency response range?

   The probe operates from DC to 20 kHz, allowing detection of both slow shaft movements and high-frequency vibrations.

4. Can it monitor both radial and axial shaft movement?

   Yes, depending on orientation, it can capture either radial vibration or axial displacement.

5. How is linearity ensured throughout the measuring range?

   The combination of probe design and 3300 XL system linearization maintains measurement within ±1% of full-scale.

6. Can this probe integrate with other Bently Nevada systems?

   It is optimized for 3300 XL systems but can interface with systems that accept standard voltage outputs.

7. How does the probe handle electromagnetic interference?

   Shielded cabling and robust electronics reduce the impact of EMI and RFI, ensuring stable output signals.

8. Is it suitable for high-temperature industrial environments?

   Yes, the probe can operate reliably up to +120 °C at the tip.

9. Is recalibration necessary after installation?

   Factory calibration ensures accurate output; periodic verification is recommended according to maintenance standards.

10. What advantages does the reverse mount provide?

    It allows installation in constrained or obstructed areas, enabling precise measurement where conventional probes cannot be used, without sacrificing accuracy.