Product Description:

The Bently Nevada 330905-00-07-05-01-CN is an eddy-current proximity probe belonging to the 3300 XL NSv Proximity Transducer System. It is specifically engineered to target critical industrial applications involving small rotating machinery with extreme space constraints, tight counterbores, or narrow side-view routing paths where standard 5 mm and 8 mm probes cannot fit or would face heavy cross-talk and metal interference.The 3300 NSv probe and extension cable are mechanically and electrically compatible and interchangeable with Bently Nevada’s previous 3300 RAM proximity probe and extension cable. The NSv probe has increased chemical resistance compared to the 3300 RAM probe, which allows its use in many process compressor applications. The side-view characteristics of the 3300 NSv probe are also superior to those of the 3000-series 190 probe when gapping the 3300 NSv probe at the same distance from the probe target.  

Frequently Asked Questions (FAQ)

Q:What machines typically use this specific system?

A:It is widely adopted by original equipment manufacturers (OEMs) and field engineers for safeguarding turbomachinery, including centrifugal/axial air compressors, refrigeration chillers, process gas loops, and auxiliary pumps.
Q:How does it work and what are the system requirements?
A:The probe relies on the eddy-current principle to measure non-contact displacement. It must connect to an extension cable and a matching 3300 XL NSv Proximitor Sensor to output an average scale factor of 7.87 V/mm (200 mV/mil). It cannot be paired with a standard 3300 XL 8mm Proximitor without causing severe calibration errors.

Q:Does it have protective armor?
A:No. The "330905" model series represents an unarmored configuration. If your industrial environment exposes the coaxial cable to flying debris or physical clamping damage, you would need the armored equivalent .

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