Bently Nevada 330905-00-20-10-02-00 3300 NSv Proximity Probe The Bently Nevada 330905-00-20-10-02-00, also cataloged as the 330905 3300 NSv Proximity Probe,...
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Bently Nevada 330905-00-20-10-02-00 3300 NSv Proximity Probe
The Bently Nevada 330905-00-20-10-02-00, also cataloged as the 330905 3300 NSv Proximity Probe, operates as a dedicated hardware component for non-contact shaft displacement measurement within Bently Nevada 3300 NSv Transducer System platforms.
Hardware Specifications
Parameter
Specification
Model
330905-00-20-10-02-00
Brand
Bently Nevada
Product Type
3300 NSv Proximity Probe
Origin
USA
Dimensions
Case length: 200 mm; total length: 1.0 m
Operating Temp
-51 deg C to +177 deg C
Power Consumption
Supplied through compatible Bently Nevada Proximitor sensor module; probe operates as a passive sensing element
Eddy-Current Probe Scaling and Gap Voltage Validation
The 3300 NSv proximity probe uses an eddy-current measurement principle to convert shaft displacement into electrical output signals. The probe maintains a nominal incremental scale factor of 7.87 V/mm, allowing compatible Proximitor systems to process radial shaft movement data.
Furthermore, installation requires gap voltage validation to establish the correct operating position. Bently Nevada systems typically verify probe gap conditions around the -10 VDC target range when adjusting the transducer circuit. This process confirms proper signal linearity and measurement accuracy before machinery operation.
The narrow side-view construction also supports rotor dynamics monitoring where installation space limits the available probe mounting position. Therefore, the probe can measure relative shaft motion in machines using fluid-film bearings, compressor rotors, and similar rotating equipment.
Frequently Asked Questions
Q: What type of measurement does the Bently Nevada 330905-00-20-10-02-00 provide? A: The probe provides non-contact shaft displacement measurement through eddy-current sensing technology. It detects relative movement between the probe tip and the conductive shaft target.
Q: Does the 330905-00-20-10-02-00 require an external power supply? A: The probe itself is a passive sensing element. A compatible Bently Nevada Proximitor module supplies excitation and converts the probe signal into monitoring data.
Q: What installation factors affect measurement performance? A: Proper thread mounting, target surface condition, cable routing, electrical shielding, and correct probe gap adjustment affect measurement performance. The cable should avoid strong electromagnetic interference sources.
Field Installation Guidelines
Install the M10 x 1 threaded probe body into the approved mounting location without damaging the probe tip surface.
Adjust the probe gap according to the compatible Proximitor system requirements and verify the electrical gap voltage before operation.
Maintain proper cable routing practices to reduce electromagnetic interference and signal noise.
Avoid sharp cable bends that may affect the 75 ohm coaxial cable characteristics.
Connect the miniature coaxial ClickLoc connector securely and confirm the locking mechanism engages correctly.
Use appropriate grounding practices for the monitoring system shield connection according to site electrical standards.
Verify shaft target material compatibility before commissioning the vibration monitoring channel.
