Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330910-03-20-05-11-00 |
| Brand | Bently Nevada |
| Product Type | 3300 NSv Proximity Probe |
| Origin | USA |
| Weight | 0.14 kg |
| Dimensions | Estimated shipping size: 109 x 2 x 1.5 cm |
| Operating Temp | Not specified |
| Power Consumption | Not specified |
| Thread Type | M10 x 1 thread |
| Probe Construction | Armored proximity probe |
| Unthreaded Length | 30 mm |
| Overall Case Length | 200 mm |
| Total Length | 0.5 meter (20 in) |
| Connector Type | Miniature coaxial ClickLoc connector with connector protector |
| Cable Type | FluidLoc cable |
| Agency Approval | Not required |
| Application System | 3300 NSv Proximity Transducer System |
Eddy-Current Probe Scaling and Gap Voltage Validation
The 330910 series probe uses eddy-current sensing technology to convert shaft-to-probe distance changes into electrical signals for machinery vibration and position monitoring. Proper probe scaling requires verification of the probe extension, target material compatibility, and signal calibration against the associated Proximitor sensor.
Gap voltage validation is performed by confirming the probe operating point within the transducer system measurement range. Bently Nevada proximity systems commonly use a -10 VDC target gap voltage reference for mechanical installation verification and signal conditioning checks.
The armored construction and FluidLoc cable design provide mechanical protection and reduce fluid migration risks along the cable assembly during field installation.
Frequently Asked Questions (FAQ)
Q: What measurement principle is used by the Bently Nevada 330910-03-20-05-11-00?
A: The probe uses eddy-current sensing to measure the distance between the probe tip and a rotating shaft target surface without physical contact.
Q: What connector configuration is provided on this model?
A: This model uses a miniature coaxial ClickLoc connector with connector protector and FluidLoc cable.
Q: What installation factor must be verified before operation?
A: The probe mechanical position, thread engagement, target clearance, and electrical gap voltage must be verified according to the associated 3300 NSv system installation requirements.
Field Installation Guidelines
- Install the probe using the specified M10 x 1 thread interface and maintain mechanical alignment with the monitored shaft surface.
- Confirm the probe tip clearance and mounting position before system calibration.
- Route the FluidLoc cable separately from high-current power conductors to minimize electrical interference.
- Maintain proper cable handling practices to avoid excessive bending, mechanical stress, or connector damage.
- Verify shield termination and grounding practices according to the installed Bently Nevada monitoring system requirements.
- Perform gap voltage validation after mechanical installation to confirm correct probe operating position.
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