The Bently Nevada 330130-070-00-05, also cataloged as the 330130 Extension Cable, operates as a dedicated hardware component for RF signal transmission within 3300 XL Proximitor Sensor networks. It acts as the electrical link connecting an eddy-current proximity probe to a remote transducer module, maintaining analog measurement loop parameters without introducing uncompensated impedance mismatches or signal phase shifts.
| Parameter | Specification |
|---|---|
| Model | 330130-070-00-05 |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 0.3 kg |
| Dimensions | 5.3 cm x 3.2 cm x 10.0 cm (coiled envelope dimensions); 7.0 m physical cable length |
| Operating Temp | -51 to +177 deg C |
| Power Consumption | 0.0 W (Passive component) |
| System Impedance | 75.0 ohm nominal |
| Electrical Capacitance | 69.9 pF/m (21.3 pF/ft) nominal |
| Minimum Bend Radius | 25.4 mm (1.0 in) |
The physical construction of the 330130-070-00-05 extension cable provides strict shielding geometry necessary to preserve calibrated eddy-current probe scaling over the 7.0 m distance. This continuous coaxial shielding configuration ensures high-frequency cross-talk suppression when routed in proximity to adjacent machine instrumentation. Stabilizing the transmission path parameters enables consistent gap voltage validation, targeting the traditional nominal -10 VDC baseline across standard rotor dynamics monitoring applications.
Q: Can this 7.0 m extension cable be interchanged with a 4.5 m cable within a standard calibrated loop?
A: No. Proximitor sensors are engineered for an exact total system electrical length (typically 5.0 m or 9.0 m). Swapping a 7.0 m cable into a loop tuned for a different parameter changes total circuit capacitance and invalidates the transducer calibration profile.
Q: What physical protection does this non-armored (-00 option) cable require when routed near raw mechanical parts?
A: Because the -00 option designates a standard non-armored jacket, the cable lacks native resistance to crushing or shearing. It must be installed inside grounded structural conduits or liquid-tight junction boxes to shield the inner dielectric from distortion.
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