Configured for displacement measurement in rotating machinery, the Bently Nevada 330101-00-40-05-02-00 (330101 8 mm Proximity Probe) provides direct physical execution of gap-to-voltage conversion for vibration and position monitoring.
| Option Component | Selection | Description |
|---|---|---|
| Model | 330101 | 3300 XL 8 mm Proximity Probe |
| Unthreaded Length | 00 | 0.0 in |
| Case Length | 40 | 4.0 in |
| Total Length | 05 | 0.5 m |
| Connector Type | 02 | Miniature coaxial ClickLoc |
| Agency Approval | 00 | Not required |
| Parameter | Specification |
|---|---|
| Model | 330101-00-40-05-02-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 0.323 kg |
| Dimensions | 3/8-24 UNF thread, 4.0 in case length |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Driven by 3300 XL Proximitor Sensor |
The 330101 probe system utilizes eddy-current probe scaling to convert target distance into a linear voltage signal, standardized at 7.87 V/mm (200 mV/mil). Accurate vibration analysis requires gap voltage validation against -10 VDC targets during installation to ensure the probe operates within the linear portion of the Proximitor transfer curve. For applications involving multiple sensors, cross-talk suppression must be maintained by ensuring proper probe separation, preventing mutual signal interference. The coaxial signal path must remain electrically continuous; avoid sharp bends in the cable to prevent characteristic impedance fluctuations that distort rotor dynamics data.
Q: Can the 0.5 m cable be field-terminated or extended?
A: No. The 3300 XL system is a factory-calibrated unit. Altering the cable length changes the system's electrical capacitance and inductance, which will invalidate the factory calibration and cause measurement errors.
Q: What is the requirement for the ClickLoc connector during installation?
A: The ClickLoc connector provides a secure, vibration-resistant connection. It must be fully seated until a tactile click is felt to ensure reliable continuity in the coaxial path and to maintain the integrity of the signal shielding.
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