The Bently Nevada 330930-060-00-05, also cataloged as the 3300 XL Standard Extension Cable, operates as a dedicated hardware component for high-frequency signal transmission between proximity probes and Proximitor sensors within 3300 XL Transducer System networks.
The suffix breakdown for part number 330930-060-00-05 is structured as follows:
| Parameter | Specification |
|---|---|
| Model | 330930-060-00-05 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 0.27 kg (Net), 1.5 kg (Shipping) |
| Dimensions | 6.0 meters (19.7 feet) physical length |
| Operating Temp | -51 to 177 deg C (-60 to 350 deg F) |
| Power Consumption | Passive physical conductor (zero power dissipation) |
| Unit Cable Mass | 0.045 kg/m |
| Armoring Option | Option 00 (Without stainless steel armor) |
| Agency Approval | Option 05 (Multiple Approvals) |
The 3300 XL extension cable transmits raw high-frequency radio-frequency signals across its coaxial structure to maintain matched impedance and loop capacitance. Preserving exact total system cable length is necessary for accurate eddy-current probe scaling and rotor dynamics monitoring. Field commissioning requires executing gap voltage validation across the Proximitor output terminals, adjusting physical probe standoff distance until establishing a nominal baseline target of -10 VDC under non-rotating shaft conditions.
Q: How does installing an incorrect cable length affect the Proximitor calibration?
A: The Proximitor sensor is calibrated to the combined capacitance of a specific total loop length. Using an unapproved cable length shifts system electrical tuning, degrading overall linear measurement accuracy.
Q: What precautions should be observed for unarmored extension cable installations?
A: Unarmored (Option 00) cables must be routed inside metal conduits or covered cable trays to protect the outer insulation against sharp bends, pinching, and mechanical impact.
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