The Bently Nevada 330901-00-32-10-02-00 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 essential. Belonging to the 3300 NSv (Narrow Side-view) series, this probe provides continuous, real-time measurement of shaft vibration, radial displacement, and dynamic movement. Its rugged stainless-steel construction, combined with advanced eddy-current sensing technology, ensures reliable operation in harsh industrial environments, including power generation, petrochemical, and compressor applications. The probe is engineered for seamless integration with Bently Nevada 3300 and 3500 monitoring systems, providing reliable data for predictive maintenance, early fault detection, and machinery protection.

Product Specifications

Applications

The 330901-00-32-10-02-00 probe is ideal for space-constrained high-speed machinery monitoring, including:

• Small gas, steam, and hydro turbines

• High-speed compressors and pumps

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

• Rotating equipment in petrochemical and refinery operations requiring precise vibration and displacement measurement

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

Advantages

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

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

• Rugged Construction – Stainless-steel housing with IP67 protection ensures reliable performance in harsh industrial environments.

• Wide Temperature Range – Operates stably from –35 °C to +177 °C with minimal signal drift.

• Seamless 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 technology is used in the 330901-00-32-10-02-00 probe?

   It employs eddy-current non-contact displacement sensing for accurate vibration and position monitoring.

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

   It connects via a proximitor driver, preserving factory calibration for precise readings.

3. Can the probe be mounted in any orientation?

   Yes, horizontal, vertical, or angled installation is supported, provided the recommended shaft 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 calibration.

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

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

6. What is the frequency response of this probe?

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

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

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

8. How does temperature variation affect measurement stability?

   Built-in temperature compensation maintains output stability 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 areas?

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