Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330101-15-35-10-02-05 |
| Brand | Bently Nevada |
| Product Type | Proximity Sensors |
| Series | 3300 XL 8 mm Proximity Probe |
| Origin | USA |
| Dimensions | 1.5 in unthreaded length, 3.5 in case length, 1.0 m cable length |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Supplied by 3300 XL Proximitor Sensor, -17.5 VDC to -26 VDC |
| Probe Diameter | 8 mm |
| Thread Size | 3/8-24 UNF-2A |
| Measurement Principle | Eddy-current non-contact displacement measurement |
| Linear Range | 2.0 mm (80 mils) |
| Gap Measurement Range | Approximately 0.25 mm to 2.25 mm (10 to 90 mils) |
| Sensitivity / Scale Factor | 7.87 V/mm (200 mV/mil) +/- 5% |
| Frequency Response | 0 Hz to 10 kHz (-3 dB point) |
| Cable Type | 75 ohm triaxial FEP insulated cable |
| Connector Type | Miniature Coaxial ClickLoc connector |
| Body Material | 300 series stainless steel |
| Approvals | CSA, ATEX, IECEx |
Eddy-Current Probe Scaling and Rotor Dynamics Monitoring
The 330101-15-35-10-02-05 uses eddy-current probe scaling to generate a linear voltage response according to the measured gap between the probe tip and conductive shaft surface. Therefore, the complete probe system maintains consistent displacement measurement characteristics when paired with compatible 3300 XL Proximitor sensors.
The probe supports rotor dynamics analysis by providing displacement signals for shaft vibration and axial position evaluation. In addition, the ClickLoc connector design maintains mechanical retention under vibration conditions without requiring special installation tools.
The system calibration uses gap voltage validation procedures, including -10 VDC target gap verification, to confirm correct probe positioning and signal operating range. Furthermore, the triaxial cable structure reduces electrical interference during high-frequency displacement signal transmission.
Frequently Asked Questions
Q: What type of signal does the 330101-15-35-10-02-05 generate?
A: The probe generates an analog DC output voltage proportional to the distance between the probe tip and the conductive target surface. The signal is processed through a compatible 3300 XL Proximitor Sensor.
Q: Can this probe operate without individual system calibration?
A: Yes. The 3300 XL probe, extension cable, and Proximitor sensor support complete interchangeability within the approved system configuration without individual bench matching.
Q: What installation factor affects measurement accuracy?
A: Correct probe gap setting, target material condition, cable routing, and proper shielding practices directly affect displacement measurement accuracy.
Field Installation Guidelines
- Install the probe with the specified 3/8-24 UNF-2A mounting thread engagement and maintain mechanical stability during operation.
- Position the probe tip toward a clean conductive shaft surface that meets the system target material requirements.
- Verify the operating gap using the Proximitor sensor voltage output before commissioning.
- Route the triaxial cable separately from high-power conductors to reduce electromagnetic interference.
- Maintain proper connector engagement and confirm the ClickLoc locking mechanism is fully secured.
- Connect cable shielding according to the plant grounding standard to reduce signal noise.
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