The Bently Nevada 330130-080-00-00, also cataloged as the 330130 Extension Cable, operates as a dedicated hardware component for RF signal transmission within 3300 XL Proximitor Sensor networks. It serves as the calibrated electrical link connecting an eddy-current proximity probe to a remote processing transducer, executing high-frequency analog parameter tracking without introducing circuit discontinuities.
| Parameter | Specification |
|---|---|
| Model | 330130-080-01-00 |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 0.65 kg nominal |
| Dimensions | 8.0 m nominal length (75 ohm coaxial core inside protective armor) |
| Operating Temp | -51 to +177 deg C |
| Power Consumption | 0.0 W (Passive electrical component) |
| Armor Construction | Flexible stainless steel protective conduit |
| Nominal Capacitance | 69.9 pF/m (21.3 pF/ft) |
| Minimum Bend Radius | 25.4 mm (1.0 in) for coaxial core; check armor limits for installation layout |
| System Match | 3300 XL 5 mm and 8 mm Proximity Transducers |
The internal physical geometry of the 330130-080-01-00 extension cable is engineered to maintain uniform electrical properties required for consistent eddy-current probe scaling. The coaxial element stabilizes high-frequency RF transmission over the 8.0 m link, providing cross-talk suppression against adjacent machinery instrumentation lines. This protection enables the connected Proximitor sensor to perform gap voltage validation targeting nominal -10 VDC baselines required for rotor dynamics tracking.
Q: How does the stainless steel armor (-01 option) modify the electrical parameters of the coaxial line?
A: The external armored casing acts as a mechanical barrier and does not modify the core nominal capacitance or baseline system impedance of the internal 75 ohm transmission wire.
Q: Is it permissible to splice two sections of extension cable together if a longer physical span is required?
A: No. Splicing alters the calibrated resistance, impedance uniformity, and electrical length of the coaxial cable. This change disrupts the factory linear scale factor of the 3300 XL loop, inducing measurement errors.
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