The Bently Nevada 330130-045-01-00, 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 a proximity probe to a remote transducer module, facilitating continuous measurement loop continuity without introducing uncompensated impedance variations or phase errors into the vibration monitoring circuit.
| Parameter | Specification |
|---|---|
| Model | 330130-045-01-00 |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 1.85 kg nominal |
| Dimensions | 4.5 m physical length (armored jacket diameter 5.89 mm) |
| Operating Temp | -51 to +177 deg C |
| Power Consumption | 0.0 W (Passive component) |
| Transducer Compatibility | 3300 XL 5 mm and 8 mm Proximity Probe Systems |
| System Characteristic Impedance | 75.0 ohm nominal |
| Electrical Capacitance | 69.9 pF/m (21.3 pF/ft) nominal |
The 330130-045-01-00 extension cable maintains tight impedance tolerances over its 4.5 m path to stabilize eddy-current probe scaling for dynamic measurements. This impedance stability prevents attenuation of high-frequency signals generated by rotor dynamics, ensuring precise vibration tracking. The integrated armor shield optimizes cross-talk suppression between neighboring runs, supporting gap voltage validation targeting nominal -10 VDC levels during steady-state operation.
Q: How does the internal capacitance change if the armored jacket is crushed or kinked during layout?
A: Physical deformation of the armored jacket alters the spacing between the inner conductor and outer shield. This change shifts the local capacitance away from the baseline 69.9 pF/m specification, disrupting system calibration and generating false values in the transducer monitoring loop.
Q: Can this 4.5 m extension cable be connected directly to a 3300 XL 11 mm proximity probe system?
A: No. The 330130 extension cable is electrically designed and calibrated exclusively for 3300 XL 5 mm and 8 mm transducer systems. Connecting it to an 11 mm probe alters the overall circuit parameters, causing severe scale factor non-linearity.
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