Configured for shaft vibration and position monitoring in narrow-clearance mechanical housings, the Bently Nevada 330906-05-30-05-02-CN (3300 NSv Reverse Mount Probe) provides direct physical/electrical execution.
The 330907 ordering options define the mechanical dimensions, cable length, connector type, and regional regulatory certifications:
| Parameter | Specification |
|---|---|
| Model | 330907-05-30-05-02-CN |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 3.0 kg (shipping weight) |
| Dimensions | 3/8-24 UNF thread, 3.0 in overall case length |
| Operating Temp | -51 to 177 deg C (probe assembly standard envelope) |
| Power Consumption | Passive transducer powered via connected Proximitor Sensor loop |
| Thread / Mount Type | 3/8-24 UNF reverse mount configuration |
| Unthreaded Length | 0.5 in |
| Cable Assembly | 0.5 meter (20 inches) standard coaxial cable lead |
| Connector Type | Miniature coaxial ClickLoc connector |
| Agency Approvals | Option CN (China country-specific certification) |
The 3300 NSv reverse mount probe uses high-frequency eddy-current sensing fields designed for tight mechanical mounting spaces where standard 8 mm probes suffer from side-view interference. Eddy-current probe scaling generates a calibrated change in output voltage proportional to the distance between the probe tip and target shaft. During installation and field inspection, gap voltage validation requires verifying a static offset target of -10 VDC across the Proximitor Sensor output. Maintaining appropriate radial spacing between adjacent probes ensures cross-talk suppression in confined bearing housings.
Q: How does the reverse mount design affect physical installation inside bearing housings?
A: The reverse mount probe inserts through the rear of a threaded bore or internal mounting bracket, allowing probe setting and securing from behind when access to the external casing face is blocked.
Q: What is required to maintain signal continuity across the miniature ClickLoc coaxial connector?
A: The miniature coaxial ClickLoc connector must be fully pushed together until the positive locking mechanism engages. Ensure the connection remains clean and protected against moisture or oil contamination.
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