Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330910-00-15-10-02-00 |
| Brand | Bently Nevada |
| Product Series | 3300 XL NSv Proximity Probe |
| Origin | United States |
| Operating Temp | -52 deg C to +177 deg C (-62 deg F to +351 deg F) |
| Power Consumption | -17.5 VDC to -26 VDC system supply requirement |
| Probe Thread Size | M10 x 1 |
| Unthreaded Length | 0 mm |
| Overall Case Length | 150 mm |
| Cable Length | 1.0 m (3.3 ft) |
| Connector Type | Miniature coaxial ClickLoc connector |
| Cable Type | Standard cable with flexible stainless steel armor |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Case Material | AISI 304 stainless steel |
| Scale Factor | 7.87 V/mm (200 mV/mil) nominal |
| Linear Operating Range | 1.5 mm (60 mils) starting from approximately 0.25 mm (10 mils) gap distance |
| Frequency Response | 0 to 10 kHz (+0, -3 dB) |
| Relative Humidity | Up to 100% condensing, non-submerged |
Eddy-Current Probe Scaling and Gap Voltage Validation
The 3300 XL NSv proximity probe uses an eddy-current measurement principle to convert shaft displacement into electrical output signals. Therefore, the probe maintains a nominal scale factor of 7.87 V/mm for vibration and position monitoring applications.
The system requires proper gap voltage adjustment during installation because the DC bias voltage represents the probe operating position relative to the target surface. Additionally, Bently Nevada monitoring systems typically validate probe gap conditions around -10 VDC targets to confirm correct transducer operation.
The probe design supports rotor dynamics analysis by providing accurate shaft displacement feedback. Furthermore, the miniature side-view configuration allows installation where standard 8 mm probes cannot fit due to mechanical clearance restrictions.
Frequently Asked Questions
Q: What measurement principle does the 330910-00-15-10-02-00 use?
A: The probe uses an eddy-current sensing circuit to measure shaft displacement without physical contact between the probe tip and rotating target.
Q: What installation conditions require the 3300 NSv probe design?
A: The 3300 NSv probe fits applications with limited radial clearance, small shaft diameters, or restricted viewing areas where standard proximity probes cannot be installed.
Q: What signal validation should technicians perform after installation?
A: Technicians should verify probe gap voltage, signal output, cable connection integrity, and correct integration with the associated Bently Nevada monitoring channel.
Field Installation Guidelines
- Install the M10 x 1 threaded probe into the mounting location while maintaining correct mechanical alignment with the shaft target surface.
- Verify the probe tip clearance before operation to prevent contact with rotating components.
- Route the coaxial cable away from high-current power conductors to reduce electrical interference.
- Connect the cable shield according to the monitoring system grounding requirements.
- Confirm the probe gap voltage before commissioning the vibration monitoring channel.
- Protect the ClickLoc connector from moisture exposure because the connector requires environmental protection during field operation.
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