Bently Nevada 330905-00-25-05-02/12-CN 3300 NSv Proximity Probes

The 330905-00-25-05-02-CN 3300 NSv Proximity Probe is designed for precise non-contact displacement measurement in compact rotating machinery where limited clearance prevents use of standard probes. As part of the 3300 NSv (Narrow Side View) family, it delivers stable, high-fidelity vibration and position signals even in tightly engineered housings.

This probe integrates a rugged sensing element with a 25 mm probe body and a 5-meter cable, built to withstand oil, vibration, and continuous industrial operation. When paired with the 3300 NSv Proximitor® driver, it forms a complete measurement chain suitable for monitoring shaft vibration, axial displacement, and small-rotor dynamics.

Engineered for OEMs and field technicians alike, the 330905-00-25-05-02-CN provides reliability in environments where space is a premium, making it ideal for compressors, compact motors, turbomachinery, and gearbox monitoring systems.

-Designed for narrow installation areas typical of small machinery

-Produces clear, low-noise displacement signals

-Stable linear response optimized for short travel measurement

-Rugged construction suitable for oil-lubricated environments

-High reliability in continuous-duty industrial operations

-Shielded cable minimizes electrical interference

-Accurate monitoring of rotor dynamics for early fault detection

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Confirm adequate probe-to-target alignment before tightening

Maintain proper standoff distance to ensure linear output

Avoid sharp cable bending to protect internal conductors

Only use with the 3300 NSv Proximitor® for correct system sensitivity

Ensure proper grounding of shielding to reduce electrical noise

Perform system verification once machine assembly is complete

Common Problem

What is the 330905-00-25-05-02-CN mainly used for?

It is used for non-contact vibration and displacement measurement in compact rotating machinery.

Why is it part of the NSv (Narrow Side View) series?

NSv probes are specifically designed for tight-clearance installations where standard probes cannot fit.

Can it monitor small-diameter rotor shafts?

Absolutely-NSv probes are designed for short standoff and compact rotor systems.

Which Proximitor® driver does it work with?

It must be paired with the 3300 NSv Proximitor® for correct calibration.

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