The Bently Nevada 330104-00-05-05-02-05, also cataloged as the 330104 Proximity Probe, operates as a dedicated hardware component for proximity and vibration sensing within 3300 XL machinery monitoring platforms. The hardware executing the physical displacement verification translates mechanical rotor dynamics into proportional voltage deviations via high-frequency eddy-current probe scaling circuits.
| Suffix Code | Option Description | Technical Parameter |
|---|---|---|
| 330104 | Base Model | 3300 XL 8 mm Reverse Mount Proximity Probe |
| -00 | Unthreaded Length Option | 0.0 inches |
| -05 | Overall Case Length Option | 0.5 inches |
| -05 | Total Length Option | 0.5 meter (1.6 feet) |
| -02 | Connector and Cable Type Option | Miniature coaxial ClickLoc connector, standard cable |
| -05 | Agency Approval Option | Multiple global hazardous area approvals (ATEX/IECEx/CSA) |
| Parameter | Specification |
|---|---|
| Model | 330104-00-05-05-02-05 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 0.12 kg nominal |
| Dimensions | 8.0 mm probe tip diameter, 0.5 inches overall case length |
| Operating Temp | -51 deg C to +177 deg C nominal environmental parameters |
| Power Consumption | Passive hardware component modulated via Proximitor Sensor loop |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Case Material | AISI 303 or 304 stainless steel (SST) |
| Cable Impedance | 75 Ohm nominal coaxial |
Physical deployment of this 8 mm reverse mount sensor requires meticulous gap voltage validation to map structural movements accurately within the linear calibration window. During static mechanical calibration, the physical gap must be adjusted until the circuit output tracks a -10 VDC target, anchoring the system at its linear midpoint. This baseline voltage optimization ensures the eddy-current probe scaling correctly interprets high-velocity rotor dynamics. Additionally, when multi-probe configurations are deployed on a single bearing housing, specific installation geometric constraints must be followed to ensure cross-talk suppression between concurrent sensor loops.
Q: Does this passive proximity probe assembly support field-swapping without full loop re-calibration?
A: Yes. The 3300 XL 8 mm series probes feature matched internal electrical properties, allowing direct component interchangeability without requiring manual field calibration of the associated Proximitor.
Q: What are the continuous performance risks if the total electrical length deviates from the 0.5-meter specification?
A: Splicing or modifying the physical cable length alters total loop inductance and capacitance. This directly distorts the eddy-current tuning calibration, causing scaling errors and shifting the nominal -10 VDC baseline position.
Mount the reverse mount probe housing securely into a heavy-duty sleeve or bracket assembly to isolate the sensor from secondary structural resonance. Ensure adequate physical clearance is maintained between the 8.0 mm tip and surrounding conductive metals to prevent side-viewing interference. Thread the assembly into the port until the dynamic gap voltage stabilizes at precisely -10 VDC on a calibrated digital voltmeter. Secure the outer locknuts to standard engineering torque limits to eliminate drift caused by operational thermal expansion. Keep the ClickLoc coaxial connection interface clean and dry within a sealed conduit box.
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