The Bently Nevada 330901-00-40-10-02 3300 NSv Proximity Probe is a high-precision, non-contact sensor designed for small-shaft, high-speed rotating machinery where accurate vibration and displacement monitoring is critical. As part of the 3300 NSv (Narrow Side-view) series, this probe delivers continuous real-time measurement of shaft vibration, radial displacement, and dynamic motion. Its rugged stainless-steel construction, coupled with advanced eddy-current sensing technology, ensures reliable operation in demanding industrial environments such as power plants, petrochemical facilities, and high-speed compressor systems. The 330901-00-40-10-02 probe is engineered for seamless integration with Bently Nevada 3300 and 3500 monitoring systems, providing reliable predictive maintenance data and early fault detection.

Product Specifications

Applications

The 330901-00-40-10-02 probe is specifically designed for high-speed, space-constrained machinery monitoring, including:

• Small steam, gas, and hydro turbines

• High-speed compressors and pumps

• Electric motors, industrial fans, and blowers with limited installation clearance

• Rotating machinery in petrochemical and refinery operations requiring accurate vibration and displacement data

• Gearboxes and auxiliary equipment integrated with Bently Nevada 3300/3500 monitoring systems

Advantages

• Compact Design – Slim 5 mm probe tip enables installation in confined spaces without compromising accuracy.

• High Accuracy – Maintains ±0.25% linearity for precise vibration and displacement measurements.

• Rugged Construction – Stainless-steel body and IP67 environmental protection ensure reliability in harsh industrial environments.

• Wide Temperature Range – Stable operation 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 mechanical wear and maintenance requirements.

FAQ

1. What sensing principle does the 330901-00-40-10-02 probe use?

   It uses eddy-current non-contact displacement sensing for accurate vibration and shaft position measurement.

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

   Via a proximitor driver, maintaining factory calibration for accurate readings.

3. Can the probe be mounted in any orientation?

   Yes, horizontal, vertical, or angled installation is allowed provided the recommended shaft-to-probe gap is maintained.

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

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

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

   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 monitoring.

7. Can the probe measure vibration on non-metallic shafts?

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

8. How does temperature variation affect measurement accuracy?

   Built-in temperature compensation ensures stable output from –35 °C to +177 °C.

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

   A proportional voltage signal compatible with Bently Nevada 3300/3500 monitoring systems.

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

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