The Bently Nevada 330709-000-060-50-02-00, also cataloged as the 330709 Proximity Probe, operates as a dedicated hardware component for non-contact shaft displacement and vibration sensing within 3300 XL vibration monitoring platforms.
The suffix structure of this 11 mm metric-threaded proximity probe model is configured as follows:
| Parameter | Specification |
|---|---|
| Model | 330709-000-060-50-02-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 0.35 kg (Net weight), 3.0 kg (Shipping weight) |
| Dimensions | 11.0 mm tip diameter, 60 mm case length, 5.0 m cable length |
| Thread Profile | M16 x 1.5 metric thread |
| Operating Temp | -51 to +177 deg C |
| Power Consumption | Passive sensor (0 W) |
| Connector Type | Miniature coaxial ClickLoc connector |
| Cable Type | Standard coaxial cable |
This 11 mm metric-threaded eddy-current probe generates a high-frequency electromagnetic field at its tip to monitor rotor dynamics without physical contact. To achieve standard scale factor calibration of 3.94 V/mm (100 mV/mil), the probe must operate with a matched 3300 XL 11 mm Proximitor sensor and corresponding extension cable (typically matching a 5.0-meter system total length configuration). During mechanical installation, technicians must perform gap voltage validation, adjusting the physical position until the output of the system reads -10 VDC, representing the center of the linear operating range. This step minimizes calibration errors and optimizes cross-talk suppression when placing multiple sensors in close radial proximity on the shaft.
Q: Can this 330709-000-060-50-02-00 probe be directly wired to an 8 mm 3300 XL Proximitor?
A: No. The 11 mm probe coil has different inductive and physical parameters than an 8 mm probe. Connecting this probe to an 8 mm Proximitor will cause severe impedance mismatching and invalid scaling.
Q: Is this 5.0-meter probe compatible with an additional 5.0-meter extension cable?
A: No. The 3300 XL 11 mm Proximitor requires a fixed system length (typically 5.0 meters or 9.0 meters). A 5.0-meter probe is designed to connect directly to the Proximitor without an extension cable to form a complete 5.0-meter system.
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