330904-00-25-05-02-CN Bently Nevada Proximity Probe
Description
The Bently Nevada 330904-00-25-05-02-CN is a high-precision, non-contact eddy-current proximity probe designed for monitoring shaft position and vibration in industrial rotating machinery
(such as turbines, compressors, pumps, and motors). It’s part of the Bently Nevada 3300/3300 XL NSv proximity transducer family — widely used in condition-monitoring
and protection systems.This probe uses eddy-current sensing to detect changes in distance between the sensor tip and a conductive target (usually a shaft). These changes
are converted into electrical signals that a Proximitor sensor conditions into precise vibration o
r displacement data for machinery protection or analytics.
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FAQ
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Q1. What does this probe measure?
A: This proximity probe measures shaft displacement and vibration by sensing the distance (gap) between the probe tip and a rotating shaft. It does not physically contact the shaft, enabling long service life and very accurate readings.
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Q2. What is “eddy-current” sensing?
A: Eddy-current sensing induces currents in a nearby conductive object. Variations in these currents correspond to distance changes
between the probe and the target surface — producing a voltage proportional to displacement.
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Q3. What does “CN” indicate in the part number?
A: The suffix CN typically means the unit has hazardous-area agency approvals (e.g., ATEX,
IECEx, and similar), allowing installation in explosive atmospheres
when installed per standards.
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Inquiry now: miya@mvme.cn
Bently Nevada Hot Series:
3300 XL Proximity Probe
3300 Proximitor Sensor
3500 Power Supply
1900/65A
3500/42 Monitor Module
The 990 Vibration Transmitter
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miya@mvme.cn (click) || 86-18020776792
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