Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330905-00-15-05-02-05 |
| Brand | Bently Nevada |
| Product Series | 3300 XL NSv Proximity Transducer System |
| Product Type | Proximity Sensors |
| Origin | USA |
| Dimensions | M10 x 1 thread; 150 mm overall case length; 0 mm unthreaded length |
| Operating Temp | -51 deg C to +177 deg C (probe tip and cable) |
| Power Consumption | Supplied by compatible 3300 XL NSv Proximity System; standalone consumption not applicable |
| Measurement Principle | Eddy-current non-contact displacement measurement |
| Linear Range | 1.5 mm (60 mils) |
| Linear Range Span | Approximately 0.25 mm to 1.75 mm from target |
| Average Scale Factor | 7.87 V/mm (200 mV/mil) |
| Recommended Gap Setting | 1.0 mm (40 mils) |
| Target Material Calibration | AISI 4140 steel |
| Thread Type | Metric M10 x 1 |
| Probe Cable Length | 0.5 meter (20.0 in) |
| Connector Type | Gold-plated brass ClickLoc miniature coaxial connector |
| Cable Construction | Standard cable with CableLoc design |
| Probe Tip Construction | TipLoc bonded probe tip |
| Cable Pull Strength | 220 N (50 lbf) |
| Agency Approval | CSA, ATEX, IECEx and related approvals |
Eddy-Current Measurement and Rotor Dynamics
The 330905-00-15-05-02-05 probe uses eddy-current sensing technology to convert shaft displacement into electrical output signals. Therefore, the connected 3300 XL NSv system can process radial vibration, axial position, Keyphasor reference, and rotational speed measurements.
The probe maintains a defined eddy-current probe scaling characteristic with an average scale factor of 7.87 V/mm. In addition, the recommended 1.0 mm gap setting provides a standard operating point for gap voltage validation and signal linearity verification.
For machinery condition monitoring, the probe supports rotor dynamics analysis by providing displacement data from small rotating shafts and restricted installation areas. The narrow side-view construction allows installation where standard 5 mm or 8 mm proximity probes cannot fit.
Frequently Asked Questions
Q: What measurement principle does the 330905-00-15-05-02-05 use?
A: The probe uses an eddy-current measurement principle to detect shaft displacement without mechanical contact with the rotating target.
Q: What target material is used for factory calibration?
A: The probe is calibrated for an AISI 4140 steel target material.
Q: Can this probe be installed in restricted mounting locations?
A: Yes. The 3300 XL NSv probe design supports applications with limited clearance, counterbore restrictions, and side-view installation requirements.
Field Installation Guidelines
- Install the probe with the specified M10 x 1 threaded mounting interface and maintain mechanical alignment with the target surface.
- Adjust the probe gap according to the system calibration requirements and verify the operating gap voltage before commissioning.
- Route the miniature coaxial cable away from high-current power conductors to reduce electrical interference.
- Connect the ClickLoc connector securely and avoid excessive cable bending near the connector area.
- Maintain proper cable shielding and grounding practices according to the connected 3300 XL NSv monitoring system installation requirements.
- Verify the probe output signal, gap voltage, and channel configuration before placing the machinery protection system into service.
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