330101-23-39-10-12-05 Bently Nevada vibration sensor
Description
The 330101-23-39-10-12-05 is part of Bently Nevada’s 3300 XL 8 mm proximity probe family.As a proximity (eddy-current) probe, it’s used for non-contact measurement of radial shaft displacement, vibration (dynamic changes), and static shaft
position — typically on rotating machinery such as turbines, compressors, pumps, motors, etc.The probe converts the change in distance (gap) between its tip and a conductive target (e.g. a steel shaft) into an electrical
signal; when used with the matching extension cable and signal conditioner/monitor (e.g. a Proximitor + monitoring system), the system outputs a voltage or other signal proportional to displacement/vibration.
This particular variant (-23-39-10-12-05) is a hazardous-area rated probe — meaning it comes with certification (e.g. ATEX / IECEx / CSA) for
use in explosive or otherwise classified atmospheres.
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FAQ
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What does this probe measure / what is its purpose?
This probe, when used with a compatible extension cable and Proximitor (signal conditioner), is used to measure shaft radial displacement / vibration — both static position (gap) and dynamic vibration (movement over time). This information is critical for condition monitoring, bearing clearance
monitoring, vibration-based fault detection (unbalance, misalignment, bearing wear), or speed/keyphasor measurements
when used with a target wheel.
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Why is it “hazardous-area” rated (ATEX / IECEx / CSA)?
Because this specific variant includes safety approvals and is intended for installations in environments where explosive gas or dust
atmospheres may occur. The “05” suffix indicates those approvals, and the “FluidLoc” cable plus Viton-sealed housing
helps ensure safe, sealed operation in such environments.
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Is this probe compatible with other 3300/3300 XL system components?
Yes. The 3300 XL 8 mm probes (like 330101-23-39-10-12-05), extension cables, and Proximitor sensors are designed for full
interchangeability—you don’t need to match exact part-numbers or re-calibrate when mixing compatible
components, provided the system length matches (e.g. same total cable length from probe to sensor).
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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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