Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330910-06-25-05-11-00 |
| Brand | Bently Nevada |
| Product Series | 3300 NSv Proximity Probes |
| Product Type | Eddy-current Proximity Probe |
| Probe Thread | M10 x 1 thread |
| Probe Construction | Armored probe assembly |
| Minimum Unthreaded Length | 60 mm |
| Maximum Length | 250 mm |
| Probe Length Code | 06 – 25 (25 mm nominal case length configuration) |
| Cable Length | 05 – 0.5 meter (20 in) |
| Connector Type | Miniature coaxial ClickLoc connector |
| Connector Protection | Connector protector included |
| Cable Feature | FluidLoc cable |
| Additional Option | 00 – Not required |
| Origin | USA |
| Weight | 0.14 kg |
| Dimensions | 109 x 2 x 1.5 cm (shipping size) |
| Operating Temp | Not specified |
| Power Consumption | Passive probe element; powered through compatible Proximitor sensor interface |
| Signal Technology | Eddy-current displacement sensing |
| Tariff Code | 8537101190 |
Eddy-Current Probe Scaling and Gap Voltage Characteristics
The 330910-06-25-05-11-00 operates as an eddy-current sensing element within the Bently Nevada 3300 NSv proximity measurement chain. The probe generates a high-frequency electromagnetic field at the probe tip, and the change in impedance caused by shaft surface movement is converted into a proportional displacement signal through the connected Proximitor sensor.
The probe system requires correct gap voltage validation during installation. Bently Nevada proximity systems typically use a negative DC gap voltage range with -10 VDC as the reference target for nominal probe positioning. Proper gap adjustment ensures the probe operates within its calibrated linear measurement range.
The armored construction and FluidLoc cable design provide mechanical protection and prevent fluid migration through the cable structure in industrial machinery installations.
Frequently Asked Questions
Q: Is the 330910-06-25-05-11-00 a standalone measuring device?
A: No. The probe is a passive eddy-current sensing component and requires connection to a compatible Bently Nevada Proximitor sensor module for signal conditioning and output generation.
Q: What connector type is installed on this probe assembly?
A: This model uses a miniature coaxial ClickLoc connector with connector protector and FluidLoc cable configuration.
Q: What installation factors affect measurement accuracy?
A: Probe gap setting, mounting rigidity, target shaft surface condition, cable routing, and proper shielding practices affect displacement measurement performance.
Field Installation Guidelines
- Install the probe using the specified M10 x 1 thread interface and ensure mechanical fixation prevents probe movement during machine operation.
- Maintain correct probe-to-shaft clearance according to the applicable 3300 NSv system calibration requirements.
- Route the coaxial cable separately from high-current power cables and sources of electromagnetic interference.
- Connect cable shielding according to the machinery monitoring system grounding practice to reduce electrical noise coupling.
- Avoid sharp cable bends and mechanical stress near the ClickLoc connector area.
- Verify probe polarity, cable integrity, and gap voltage after installation before placing the monitoring channel into service.
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