Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330905-06-14-10-02-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Product Type | Eddy-current Proximity Probe |
| Series | 3300 NSv |
| Measurement Principle | Eddy-current displacement sensing |
| Thread Type | M10 x 1 metric thread |
| Probe Length | 60 mm unthreaded length, 140 mm case length |
| Extension Cable Length | 1.0 m |
| Connector Type | Miniature coaxial ClickLoc connector |
| Cable Type | Standard coaxial cable, unarmored |
| System Scale Factor | 7.87 V/mm (200 mV/mil) nominal with compatible Proximitor Sensor system |
| Linear Range | Approx. 1.5 mm (60 mils) |
| Target Material | AISI 4140 steel calibration target |
| Tip Material | Polyphenylene sulfide (PPS) with TipLoc bonding technology |
| Cable Pull Strength | Up to 220 N |
| Weight | 0.14 kg |
| Dimensions | Estimated shipping size: 20.3 x 22 x 3.5 cm |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Supplied by connected Proximitor Sensor, no direct probe power input |
Eddy-Current Probe Scaling and Rotor Dynamics
The 3300 NSv probe uses an eddy-current sensing circuit to convert shaft movement into proportional voltage output. Therefore, the connected Proximitor Sensor receives the probe signal and applies the defined displacement scaling for vibration and position monitoring.
The probe design supports rotor dynamics analysis by measuring radial shaft vibration and axial position changes. In addition, the narrow side-view configuration allows installation where standard probe body dimensions cannot access the measurement target.
The system requires gap voltage validation during commissioning. Bently Nevada monitoring circuits typically verify probe operating position through gap voltage measurement, with -10 VDC used as a standard target reference for proper probe positioning.
Frequently Asked Questions
Q: What measurement signals does the 330905-06-14-10-02-00 provide?
A: The probe provides non-contact displacement measurement signals for shaft vibration and position monitoring when connected to a compatible Bently Nevada Proximitor Sensor.
Q: Can this probe operate as a standalone measurement device?
A: No. The probe requires a compatible Proximitor Sensor and extension cable to generate the conditioned monitoring output signal.
Q: What installation factors affect measurement accuracy?
A: Probe gap setting, target surface condition, cable routing, grounding practices, and electromagnetic interference control affect measurement stability.
Field Installation Guidelines
Install the probe with the sensing tip aligned toward the monitored shaft surface according to the mechanical drawing requirements. Maintain proper probe gap adjustment and verify the operating gap voltage before placing the monitoring channel into service.
Route the coaxial cable away from high-current power conductors and sources of electromagnetic interference. Avoid sharp cable bends and mechanical stress near the ClickLoc connector.
Connect the probe to the specified Proximitor Sensor channel and confirm signal polarity, scaling configuration, and vibration direction before final commissioning.
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