The Bently Nevada 330104-00-05-10-02-00, also cataloged as the 330104 Proximity Probe, operates as a dedicated hardware component for non-contacting displacement measurement within the 3300 XL 8 mm Proximity Transducer System. The component tracks dynamic shaft movement and static position parameters by monitoring eddy current variations relative to a conductive target material, transmitting high-frequency analog signals directly to a designated Proximitor Sensor.
| Code | Option Category | Technical Configuration |
|---|---|---|
| 330104 | Base Model | 3300 XL 8 mm Proximity Probe (M10 x 1 Metric Thread) |
| 00 | Unthreaded Length | 0 mm (Fully threaded case) |
| 05 | Overall Case Length | 50 mm |
| 50 | Total Length | 5.0 Metres (16.4 feet) |
| 11 | Connector/Cable | ClickLoc connector with connector protector and armor |
| 00 | Agency Approval | Not required / Standard |
| Parameter | Specification |
|---|---|
| Model | 330104-00-05-50-11-00 |
| Brand | Bently Nevada |
| Origin | U.S.A. |
| Probe Tip Diameter | 8.0 mm |
| Linear Range | 2.0 mm (80 mils) |
| Nominal Scale Factor | 7.87 V/mm (200 mV/mil) |
| Cable Impedance | 75 Ohm nominal |
| Tip Material | Polyphenylene sulfide (PPS) |
| Armor Material | Flexible Stainless Steel (SST) |
| Operating Temp | -51 to +177 deg C |
| Power Consumption | Determined by external Proximitor loop |
| Dimensions | M10 x 1 thread, 50 mm case length, 5.0 m total length |
| Weight | 2.0 kg (Shipping weight) |
The system relies on calibrated eddy-current probe scaling to ensure linear response over the entire 2.0 mm detection range. During deployment, a critical gap voltage validation must be executed; setting the initial physical proximity to establish a -10 VDC target voltage centers the output within the linear spectrum. This precise geometric placement stabilizes the loop against rotor dynamics fluctuations and establishes the required boundary conditions for internal cross-talk suppression when adjacent probes are arrayed in close radial proximity on the same machine plane.
Q: Can this 5.0-meter probe be coupled with a standard extension cable?
A: No. This probe features a total length of 5.0 metres and must interface directly with a 5.0-meter Proximitor Sensor without intermediate extension cabling. Adding an extension cable alters the 75 Ohm loop impedance and invalidates the nominal scale factor calibration.
Q: What specific ingress protection does the Option 11 connector protector provide?
A: The factory-installed connector protector provides physical and chemical isolation for the gold-plated ClickLoc interface against splash oils, moisture, and particulate matter typical of bearing housings. It does not support permanent fluid submersion.
Q: What targets are compatible with the factory-calibrated scale factor?
A: The standard scale factor of 7.87 V/mm assumes an AISI 4140 electric steel target. Using alternative target materials with different magnetic permeabilities or electrical conductivities requires recalibration of the receiver loop.
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