Bently Nevada 330901-00-09-70-02-05 3300 NSv Proximity Probes

The Bently Nevada 330901-00-09-70-02-05 3300 NSv Proximity Probe is a precision-engineered, non-contact sensor developed for high-speed, small-shaft rotating machinery that demands accurate vibration and displacement monitoring in limited-space installations. As a key member of the Bently Nevada 3300 NSv (Narrow Side-view) family, it ensures real-time measurement of shaft vibration, radial position, and dynamic movement. Its compact design, rugged stainless-steel housing, and proven eddy-current sensing technology make it ideal for use in harsh industrial environments such as petrochemical refineries, power generation plants, and heavy-duty compressor systems. Engineered for integration with Bently Nevada 3300 and 3500 monitoring systems, the probe provides unmatched reliability for predictive maintenance and machinery protection.

Product Specifications

Applications

The 330901-00-09-70-02-05 probe is specifically designed for tight-space and high-speed machinery monitoring, including:

• Small gas and steam turbines in power generation facilities

• High-speed compressors and critical process pumps

• Industrial fans, blowers, and motors operating in harsh conditions

• Petrochemical and refinery rotating equipment requiring continuous vibration data

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

Advantages

• Compact Form Factor – 5 mm probe diameter fits into constrained spaces without sacrificing measurement accuracy.

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

• Rugged Build – Stainless-steel body and IP67 environmental sealing protect against moisture, dust, and industrial contaminants.

• Wide Temperature Tolerance – Operates reliably from –35 °C to +177 °C with built-in temperature compensation.

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

• Low Maintenance – Non-contact sensing eliminates mechanical wear and extends operational reliability.

FAQ

1. What sensing technology is used in the 330901-00-09-70-02-05 probe?

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

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

   It is paired with a factory-matched extension and proximitor driver to maintain calibration accuracy.

3. Can this probe be mounted in any orientation?

   Yes, it supports horizontal, vertical, or angled mounting when the proper shaft-to-probe gap is maintained.

4. What is the recommended probe-to-target gap for optimal performance?

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

5. Is this probe suitable for use in hazardous or explosive environments?

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

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

   It delivers a flat frequency response from DC up to approximately 10 kHz.

7. Can it measure vibration on non-metallic shafts?

   No, the probe requires a conductive metallic target for accurate eddy-current sensing.

8. Does temperature variation affect measurement stability?

   Built-in temperature compensation minimizes output drift across the full operating range.

9. What type of output signal is provided by the probe?

   It provides a proportional voltage signal compatible with Bently Nevada monitoring equipment.

10. Is special shielding required in high electromagnetic interference areas?

    Proper cable shielding and grounding are recommended to maintain signal integrity.