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The Bently Nevada 330130-080-00-CN, also cataloged as the 330130 Extension Cable, operates as a dedicated hardware component for RF signal transmission within 3300 XL Proximitor Sensor networks. It functions as the calibrated low-attenuation physical pathway linking a proximity probe to a remote transducer module, maintaining consistent capacitance parameters to prevent analog measurement loop distortion.

Suffix Breakdown & Model Matrix

  • 330130 - Base Model: 3300 XL Standard Extension Cable
  • -080 - Cable Length Option: 8.0 metres (26.2 feet)
  • -00 - Connector Protector and Cable Option: Standard cable (non-armored)
  • -CN - Agency Approval Option: Country-specific approvals (China)

Hardware Specifications

Parameter Specification
Model 330130-080-00-CN
Brand Bently Nevada
Origin United States
Weight 0.272 kg net (Shipping weight 3.0 kg)
Dimensions 8.0 m nominal cable length (75 ohm triaxial geometry)
Operating Temp -51 to +177 deg C
Power Consumption 0.0 W (Passive component)
Cable Material Fluoroethylene propylene (FEP) insulated
Nominal Capacitance 69.9 pF/m (21.3 pF/ft) typical
Minimum Bend Radius 25.4 mm (1.0 in)

Eddy-Current Probe Scaling & Gap Voltage Validation

The physical geometry and integrated FEP insulation layers of the 330130-080-00-CN extension cable are designed to stabilize overall eddy-current probe scaling across the 8.0 m transmission length. By controlling internal capacitive and inductive parameters, the cable mitigates high-frequency signal degradation during continuous rotor dynamics monitoring. This electrical consistency enables precise gap voltage validation back to target -10 VDC operational baselines, ensuring stable signal integrity at the remote Proximitor interface.

Frequently Asked Questions

Q: How does modifying the physical length of the 330130-080-00-CN cable impact system performance?

A: Trimming or splicing this cable alters its total nominal capacitance and electrical length. Because the Proximitor sensor relies on a tuned 5.0 m or 9.0 m total circuit loop, changing the length shifts the calibrated linear scale factor and invalidates displacement readouts.

Q: What are the installation restrictions regarding the standard non-armored (-00) option?

A: The non-armored option lacks native resistance to external mechanical compression or abrasions. When routed across exposed infrastructure or high-vibration zones, it must be run inside a grounded metallic conduit to preserve the structural uniformity of the triaxial core.

Field Installation Guidelines

  • Confirm that the combined physical length of the extension cable and the target proximity probe matches the fixed 5.0 m or 9.0 m configuration specified on the Proximitor label.
  • Maintain a minimum static bend radius of 25.4 mm during layout execution to prevent permanent structural deformation of the inner dielectric and shielding layers.
  • Cover all subminiature coaxial connector joints using insulation sleeves or specialized self-fusing tape to prevent ground loops caused by physical contact with adjacent structures.
  • Run non-armored transducer cabling through dedicated low-voltage instrumentation channels to minimize noise from adjacent power distribution links.

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