Configured for non-contact vibration and shaft position measurements in critical rotating machinery monitoring systems, the Bently Nevada 330101-00-50-10-02-00 (330101 Proximity Probe) provides direct physical/electrical execution. It operates by generating an eddy-current field at the probe tip to measure dynamic and static distances between the target surface and the sensor, outputting a voltage signal proportional to the gap distance when paired with a compatible 3300 XL Proximitor Sensor.
| Option Code | Specification Parameter | Value / Description |
|---|---|---|
| 330101 | Base Model | 3300 XL 8 mm Probe, 3/8-24 UNF thread, without armor |
| -00 | Unthreaded Length Option | 0.0 in |
| -50 | Overall Case Length Option | 5.0 in |
| -10 | Total Length Option | 1.0 metre (3.3 feet) |
| -02 | Connector and Cable Type | Miniature coaxial ClickLoc connector, standard cable |
| -00 | Agency Approval Option | Not required |
| Parameter | Specification |
|---|---|
| Model | 330101-00-50-10-02-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Probe Tip Diameter | 8 mm |
| Thread Type | 3/8-24 UNF thread |
| Unthreaded Length | 0.0 in |
| Overall Case Length | 5.0 in |
| Total System Length | 1.0 metre (3.3 feet) |
| Connector Type | Miniature coaxial ClickLoc connector |
| Cable Type | Standard coaxial cable, without armor |
| Operating Temp | -51 deg C to +177 deg C (-60 deg F to +350 deg F) |
| Linear Range | 2.0 mm (80 mils), typically from 0.25 mm to 2.25 mm (10 to 90 mils) |
| Scale Factor | 7.87 V/mm (200 mV/mil) nominal when connected to matching Proximitor |
| Gap Voltage Target | -10.0 VDC nominal at center of linear range (~1.27 mm / 50 mils) |
| Agency Approval | Not required (Option 00) |
| Weight | Approx 0.3 kg |
The 330101-00-50-10-02-00 proximity probe relies on precise eddy-current probe scaling to ensure linear voltage output over thermal and operational dynamic ranges. Proper field setup requires gap voltage validation (-10 VDC targets) measured at the Proximitor output terminals during mechanical center-point alignment. Sensor physical orientation and housing installations must strictly observe minimum shaft target material clearance and cross-talk suppression distances when mounting multiple probe tips in close radial proximity to prevent electromagnetic interaction between adjacent channels.
Q: What is the recommended gap voltage verification procedure during installation?
A: Adjust the probe position using a mechanical micrometer or multimeter until the Proximitor output voltage reads -10.0 VDC, corresponding to the mechanical midpoint of the 80 mil linear range for AISI 4140 steel target material.
Q: How does the ClickLoc connector prevent accidental disconnections in high-vibration environments?
A: The ClickLoc miniature coaxial connector features a positive locking mechanism that physically latches upon full engagement, preventing rotational loosening caused by rotor dynamics and machine housing vibration.
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