The Bently Nevada 330901-00-12-05-02-RU 3300 NSv Proximity Probe is a precision-engineered non-contact sensor designed for high-speed, small-shaft rotating machinery where accurate vibration and position monitoring is essential. Part of the 3300 NSv (Narrow Side-view) series, this probe provides continuous, real-time measurement of shaft vibration and radial displacement. Its robust stainless-steel construction and advanced eddy-current sensing technology make it ideal for challenging industrial environments, including power generation, petrochemical processing, and high-speed compressor systems. The probe is engineered to integrate seamlessly with Bently Nevada 3300 and 3500 monitoring systems, providing reliable predictive maintenance data to reduce downtime and prevent machinery failure.

Product Specifications

Applications

The 330901-00-12-05-02-RU probe is designed for tight-space installations and high-speed machinery monitoring, including:

• Small steam, gas, and hydro turbines

• High-speed compressors and pumps

• Electric motors, gearboxes, and fans with limited installation space

• Petrochemical and refinery rotating machinery requiring precise vibration data

• Integration with Bently Nevada 3300/3500 monitoring systems for axial position and vibration measurement

Advantages

• Compact Design – 5 mm tip diameter allows installation in restricted spaces without compromising measurement accuracy.

• High Accuracy – Maintains ±0.25% linearity, providing reliable vibration and displacement measurements.

• Rugged Construction – Stainless steel housing with IP67 protection ensures durability in harsh industrial conditions.

• Temperature Stability – Operates reliably from –35 °C to +177 °C with minimal signal drift.

• Seamless System Integration – Fully compatible with Bently Nevada 3300 and 3500 monitoring platforms.

• Low Maintenance – Non-contact measurement reduces wear and operational downtime.

FAQ

1. What sensing technology is used in the 330901-00-12-05-02-RU probe?

   It uses eddy-current non-contact displacement technology for precise vibration monitoring.

2. How is the probe connected to a Bently Nevada monitoring system?

   It connects via a proximitor driver, maintaining factory calibration for accurate readings.

3. Can the probe be mounted in any orientation?

   Yes, horizontal, vertical, or angled mounting is possible as long as the recommended shaft gap is maintained.

4. What is the recommended probe-to-shaft gap?

   Approximately 1.0 mm ±0.2 mm depending on target material and system configuration.

5. Is this probe suitable for intrinsically safe or hazardous areas?

   Yes, when used with certified intrinsically safe barriers or protective housings.

6. What is the frequency response range of this probe?

   DC to 10 kHz, suitable for high-speed machinery vibration measurements.

7. Can this probe detect vibration on non-metallic shafts?

   No, eddy-current sensing requires a conductive metallic target.

8. How does temperature affect measurement stability?

   Temperature compensation ensures stable output across –35 °C to +177 °C.

9. What type of output signal does the probe provide?

   A proportional voltage signal compatible with Bently Nevada monitoring equipment.

10. Does the probe require shielding in high electromagnetic interference environments?

    Yes, proper grounding and cable shielding are recommended to maintain signal integrity.