The Bently Nevada 330905-00-08-10-02-00, also cataloged as the 330905 Proximity Sensors, operates as a dedicated hardware component for non-contact shaft vibration and displacement measurement within 3300 NSv Machinery Monitoring System platforms. The probe assembly features an M10 x 1 metric thread profile with 0 mm unthreaded length, 80 mm overall case length, and a 1.0 m (39 in) standard coaxial cable without armor terminated by a miniature coaxial ClickLoc connector.
| Option Code | Parameter Designation | Selected Configuration |
|---|---|---|
| 330905 | Base Model | 3300 NSv Probe, M10 x 1 thread, without armor |
| -00 | Unthreaded Length | 0 mm |
| -08 | Overall Case Length | 80 mm |
| -10 | Total Length Option | 1.0 m (39 in) |
| -02 | Connector & Cable Type | Miniature coaxial ClickLoc connector, standard cable |
| -00 | Agency Approval Option | Not required |
| Parameter | Specification |
|---|---|
| Model | 330905-00-08-10-02-00 |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 0.45 kg (1.0 lb) |
| Dimensions | M10 x 1 metric thread profile (80 mm overall case length) |
| Operating Temp | -51 deg C to +177 deg C (-60 deg F to +350 deg F) |
| Power Consumption | Passive transducer (Powered via Proximitor Sensor) |
| Thread Specification | M10 x 1 metric thread |
| Cable Armor | Unarmored standard coaxial cable |
| Unthreaded Length | 0 mm |
| Overall Case Length | 80 mm |
| Total Cable Length | 1.0 m (39 in) |
| Connector Type | Miniature coaxial ClickLoc connector |
| Agency Approvals | Not required (Option 00) |
The 330905-00-08-10-02-00 probe executes dynamic rotor dynamics analysis on narrow target surfaces and small-diameter shafts where tight side-view clearances restrict conventional transducers. Operating on high-frequency eddy-current probe scaling, the probe maintains a linear differential output proportional to target gap change when coupled with a 3300 NSv Proximitor Sensor. Aligning the physical probe body to achieve gap voltage validation targeted at -10 VDC centers the signal in its linear operating zone, securing optimum frequency response and cross-talk suppression between orthogonal X-Y channel pairs.
Q: What gap voltage level validates proper mechanical positioning for the 330905 probe?
A: Adjust insertion depth until the output voltage measured at the connected 3300 NSv Proximitor Sensor equals -10 VDC, corresponding to the linear range midpoint.
Q: Can the 1.0 m probe coaxial cable connect directly to system monitoring rack channels?
A: No. The integrated 1.0 m (39 in) probe cable must connect to a matching 3300 NSv extension cable to complete the 5.0 m or 7.0 m total electrical loop length required by the Proximitor.
Q: What distinguishes the 3300 NSv probe series from standard 8 mm probes in compact housings?
A: The 3300 NSv transducer features a smaller tip diameter and reduced side-view footprint, preventing electrical side-wall clearance errors in tight bearing counterbores.
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