The Bently Nevada 330171-12-41-10-02-05, also cataloged as the 330171 3300 5mm Proximity Probe, operates as a dedicated hardware component for eddy-current displacement measurement within the 3300 Proximity Transducer System. The probe converts shaft position changes into proportional electrical signals through a compatible 3300 XL Proximitor Sensor and extension cable assembly.
Hardware Specifications
Parameter
Specification
Model
330171-12-41-10-02-05
Brand
Bently Nevada
Product Type
3300 5mm Proximity Probe
Origin
USA
Weight
0.16 kg
Dimensions
Estimated shipping size: 18 x 18 x 1.5 cm
Operating Temp
Wide temperature range operation supported by 3300 XL Proximity Transducer System design
Power Consumption
Passive probe element; powered through connected Proximitor Sensor system
Probe Thread Type
1/4-28 UNF thread
Armor Option
Without armor
Unthreaded Length Option
1.2 in
Overall Case Length Option
4.1 in
Total Length Option
1.0 metre (3.3 feet)
Connector Option
Miniature coaxial ClickLoc connector standard cable
Agency Approval Option
Multiple Approvals
Measurement Principle
Eddy-current non-contact displacement measurement
Signal Output
Voltage proportional to distance between probe tip and conductive target surface
Eddy-Current Probe Scaling and Rotor Dynamics Monitoring
The 330171 series probe uses eddy-current sensing technology to measure conductive target displacement without mechanical contact. The connected Proximitor Sensor scales the probe signal according to the probe tip-to-target gap distance.
The system supports rotor dynamics analysis by providing vibration and position data from fluid-film bearing machines. In addition, the probe output maintains signal stability across temperature variations through matched electrical characteristics with compatible 3300 XL extension cables and Proximitor Sensors.
The installation process requires gap voltage validation to confirm the operating range. Bently Nevada proximity systems commonly use approximately -10 VDC gap voltage targets for proper probe positioning and signal calibration.
Frequently Asked Questions
Q: What measurement signals can the 330171-12-41-10-02-05 provide? A: The probe provides displacement-related signals through a connected Proximitor Sensor. The system measures both static shaft position and dynamic vibration signals.
Q: Can the 330171-12-41-10-02-05 operate without a Proximitor Sensor? A: No. The probe requires a compatible Proximitor Sensor and extension cable to convert eddy-current measurements into usable voltage output signals.
Q: What cable connection does this probe use? A: This configuration uses a miniature coaxial ClickLoc connector with a standard cable assembly.
Field Installation Guidelines
Install the 1/4-28 UNF threaded probe with correct mechanical engagement to maintain probe alignment with the monitored shaft surface.
Maintain proper probe tip clearance from the conductive target area before system calibration.
Route the coaxial cable away from high-current conductors and electromagnetic interference sources.
Connect cable shielding according to the monitoring system grounding requirements to reduce electrical noise.
Verify the probe gap voltage after installation before placing the machinery monitoring channel into service.
Avoid mechanical damage to the probe tip, connector interface, and cable jacket during installation.
Confirm compatibility between the probe, extension cable, and Proximitor Sensor before commissioning.
