16925-66 Bently Nevada Proximity Probe
Description
The 16925-66 probe belongs to the family of Bently Nevada non-contacting proximity (eddy-current) probes used for shaft position / vibration monitoring on rotating machinery.These probes detect very small
distances between the probe tip (which is near the rotating shaft or target) and a conductive surface (shaft, bore, or other target) by using eddy-current sensing technology.They are part of
a system where the probe is connected via an extension cable and then to a Proximitor (signal conditioning/pre-amplifier unit)
and ultimately to a monitoring system.
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FAQ
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Q1: What is the Bently Nevada 16925-66 Proximity Probe used for?
A: The 16925-66 is a non-contacting eddy-current proximity probe designed to measure shaft vibration, radial position, and axial (thrust) position
on rotating machinery such as turbines, compressors, pumps, and generators. It forms part of a complete transducer system
that includes an extension cable and a Proximitor® sensor.
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Q3: What is the working principle of this probe?
A: The probe operates on the eddy-current principle. When placed close to a conductive surface (such as a rotating shaft), it
induces small currents (eddy currents) in the target. The change in impedance in the probe coil is proportional
to the gap distance, allowing precise non-contact measurement of vibration or displacement.
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Q4: What is the typical output or sensitivity?
A:While exact numbers depend on probe type and calibration, Bently Nevada proximity systems typically
output 7.87 mV/µm (200 mV/mil).For correct calibration, the probe, extension cable, and Proximitor® must
be electrically matched as a complete system
(total length and type).
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Inquiry now: miya@mvme.cn
Bently Nevada Hot Series:
3300 XL Proximity Probe
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