The Bently Nevada 330901-00-32-05-00-CN 3300 NSv Proximity Probe is a high-precision, non-contact sensor specifically designed for monitoring high-speed rotating machinery where space is limited but measurement accuracy is critical. Part of the 3300 NSv (Narrow Side-view) series, this probe provides accurate and continuous measurement of shaft vibration and displacement, ensuring reliable machinery protection and predictive maintenance. Its rugged stainless-steel construction and advanced eddy-current sensing technology allow it to operate effectively in harsh industrial environments, such as power plants, petrochemical facilities, and high-speed compressors. Engineered for seamless integration with Bently Nevada 3300 and 3500 monitoring systems, the 330901-00-32-05-00-CN probe delivers dependable data for real-time condition monitoring.

Product Specifications

Applications

The 330901-00-32-05-00-CN probe is ideal for tight-space installations and high-speed machinery monitoring, including:

• Small turbines, including steam, gas, and hydro types

• High-speed compressors and pumps

• Industrial fans, blowers, and electric motors with limited installation clearance

• Rotating equipment in petrochemical and refinery operations requiring precise vibration and position data

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

Advantages

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

• High Accuracy – Maintains ±0.25% linearity for reliable vibration and displacement measurement.

• Rugged Construction – Stainless steel body with IP67 sealing ensures durability in harsh industrial environments.

• 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 sensing reduces wear and operational downtime.

FAQ

1. What sensing principle does the 330901-00-32-05-00-CN use?

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

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

   Via a proximitor driver, maintaining factory-calibrated accuracy.

3. Can the probe be mounted in any orientation?

   Yes, horizontal, vertical, or angled mounting is acceptable provided the recommended shaft gap is maintained.

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

   Typically 1.0 mm ±0.2 mm, depending on target material and system calibration.

5. Is the probe suitable for use in hazardous environments?

   Yes, when installed with certified intrinsically safe barriers or protective enclosures.

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

   DC to 10 kHz, enabling accurate high-speed vibration measurements.

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

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

8. How does temperature affect measurement stability?

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

9. What type of output signal is provided?

   A proportional voltage signal compatible with Bently Nevada monitoring systems.

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

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