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The Bently Nevada 330130-080-03-05, also cataloged as the 330130 Extension Cable, operates as a dedicated hardware component for RF signal transmission within 3300 XL Transducer System networks. It functions as a calibrated passive analog path connecting a 5 mm or 8 mm proximity probe to a Proximitor sensor, executing high-frequency displacement parameter metrics without altering total loop capacitance parameters.

Suffix Breakdown & Model Matrix

  • 330130 - Base Model: 3300 XL Standard Extension Cable
  • -080 - Cable Length Option: 8.0 meters (26.2 feet)
  • -03 - Connector Protector and Cable Option: Armored cable with connector protectors
  • -05 - Agency Approval Option: Multiple Approvals (CSA, ATEX, IECEx certified)

Hardware Specifications

Parameter Specification
Model 330130-080-03-05
Brand Bently Nevada
Origin United States
Weight 0.60 kg (1.32 lbs)
Dimensions 8.0 m nominal cable length; 7.67 mm armor outside diameter
Operating Temp -51 to +177 deg C nominal environmental range
Power Consumption 0.0 W (Passive structural loop architecture)
Nominal Impedance 75 ohm coaxial configuration
Cable Mechanical Shielding Interlocking stainless steel armor layer with fluid barrier
Transducer Compatibility 3300 XL 5 mm and 8 mm proximity system components

Eddy-Current Probe Scaling & Cross-Talk Suppression

The integrated stainless steel armor of the 330130-080-03-05 extension cable provides high mechanical deflection protection while ensuring cross-talk suppression against adjacent electrical noise sources. The 75 ohm internal geometry maintains precise matching parameters required for factory eddy-current probe scaling. This control prevents phase shifts and high-frequency signal attenuation across the 8.0 meter line, enabling accurate real-time gap voltage validation targeting standard -10 VDC baselines during dynamic rotor dynamics evaluation.

Frequently Asked Questions

Q: What specific field protection is provided by the -03 suffix option?

A: The -03 option provides a flexible, interlocking stainless steel armor sheath over the coaxial line along with integrated connector protectors that encapsulate the miniature coaxial joints against moisture, fluids, and accidental structural grounding.

Q: Is it permissible to field-cut or shorten the 8.0 meter line to simplify routing layout?

A: No. Altering the physical cable length changes the factory-calibrated electrical length and loop capacitance. This shifts the linear scale factor of the paired Proximitor sensor, rendering displacement data inaccurate.

Field Installation Guidelines

  • Verify that the 8.0 meter extension cable is paired with the proper 1.0 meter proximity probe configuration to fulfill the exact 9.0 meter system specification required by the Proximitor.
  • Maintain a minimum static bend radius limit of 25.4 mm along the armored routing path to prevent mechanical crushing of the internal dielectric material.
  • Ensure the terminal connector protectors are fully joined and locked into position to maintain continuous electrical isolation before final conduit closure.
  • Route the armored assembly inside separate, dedicated cable trays away from parallel high-voltage AC lines to prevent magnetic noise induction from altering low-voltage analog sensor currents.

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