The Bently Nevada 330104-00-14-10-02-05, also cataloged as the 330104 Proximity Probe, operates as a dedicated hardware component for non-contacting vibration and displacement measurement within machinery monitoring platforms. The module functions by converting proximity variations between its tip and a target shaft into proportional voltage output variables when combined with a corresponding proximitor circuit.
| Parameter | Specification |
|---|---|
| Model | 330104-00-14-05-02-05 |
| Brand | Bently Nevada |
| Origin | U.S.A. |
| Weight | 0.323 kg |
| Dimensions | 140 mm overall case length, 1.0 m total cable length |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Passive sensor element (excitation provided by proximitor) |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Case Material | AISI 303 or 304 stainless steel (SST) |
| Unthreaded Length | 0 mm |
| Overall Case Length | 140 mm |
| Total Length | 1.0 meter (3.3 feet) |
| Connector Configuration | Miniature coaxial ClickLoc connector, standard cable |
| Agency Approval | CSA, ATEX, IECEx Approvals |
This eddy-current probe relies on definitive scaling parameters to maintain loop accuracy across variable machine speeds. During field positioning, cross-talk suppression must be enforced by maintaining a minimum physical clearance between adjacent probe tips to prevent radio frequency interference from corrupting the dynamic signals. Field technicians must perform gap voltage validation to verify that the physical position corresponds to the linear center of the calibration curve. The probe output drives the transducer loop to target an initial bias voltage of -10 VDC, ensuring optimal linear range capture for structural tracking and rotor dynamics analysis under fluctuating thermal profiles.
Q: What specific requirements must be met when selecting cable lengths for the 3300 XL sensor loop?
A: The complete proximity sensor loop must be configured for a total electrical length of 5.0 meters or 9.0 meters. Because this probe model contains an integrated 1.0-meter cable, it must be paired with a matching 4.0-meter or 8.0-meter extension cable connected to the proximitor sensor. Failure to maintain this precise total electrical length will distort the calibrated scale factor.
Q: How do the hazardous area approvals impact the installation of this specific option?
A: The suffix option 05 provides certified compliance with CSA, ATEX, and IECEx safety standards. For installation inside classified hazardous areas, the probe must be wired using appropriate intrinsic safety barriers or galvanic isolators specified by Bently Nevada to restrict fault energy delivery.
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