The Bently Nevada 330104-00-07-50-02-00, also cataloged as the 330104 Proximity Probe, operates as a dedicated hardware component for mechanical displacement tracking within 3300 XL Machinery Protection System platforms. The probe translates the physical gap between its tip and a target surface into a proportional radio frequency signal, transmitting the raw voltage variations across its internal coaxial infrastructure to an external Proximitor module.
| Code | Option Category | Technical Configuration |
|---|---|---|
| 330104 | Base Model | 3300 XL 8 mm Proximity Probe, 3/8-24 UNF thread |
| 00 | Unthreaded Length | 0 mm |
| 07 | Overall Case Length | 70 mm |
| 50 | Total Length | 5.0 meters (16.4 feet) |
| 02 | Connector and Cable Type | Miniature coaxial ClickLoc connector, standard cable |
| 00 | Agency Approval | Not required |
| Parameter | Specification |
|---|---|
| Model | 330104-00-07-50-02-00 |
| Brand | Bently Nevada |
| Origin | U.S.A. |
| Probe Tip Diameter | 8 mm |
| Thread Type | 3/8-24 UNF |
| System Total Calibration Length | 5.0 meters |
| Operating Temp | -51 to +177 deg C |
| Power Consumption | Passive transducer component (energized via external Proximitor loop) |
| Dimensions | 70 mm case length, 5.0 meters total extension length |
| Weight | Less than 1.0 kg nominal |
Field calibration requires strict verification of gap voltage validation to guarantee linear data acquisition over the sensor's measurement envelope. During technical installation, the mechanical depth of the 330104 probe within its threaded housing must be incrementally altered while evaluating the DC bias voltage at the monitoring interface. Securing a base target position matching a -10 VDC output fixes the component at the physical center of its calibrated range, which optimizes noise rejection, controls unintended channel-to-channel cross-talk suppression, and provides clear tracking of high-frequency rotor dynamics.
Q: Can this 5.0-meter probe assembly be modified by adding a separate 4.0-meter extension cable?
A: No. The internal electrical impedance tuning matches a fixed 5.0-meter total loop. Attaching an intermediate extension cable to this specific 5.0-meter probe model will unbalance the circuit and cause false vibration readouts.
Q: What are the limits regarding connector handling for the ClickLoc mechanism?
A: The ClickLoc miniature coaxial connector is designed for hand-tight connection only. Using mechanical pliers or wire tools to tighten the knurled sleeve can crush the internal dielectric core and short the active signal path.
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