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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 establishes the low-attenuation electrical path linking an eddy-current proximity probe to a remote processing transducer, enabling high-frequency displacement measurement execution without altering loop capacitance parameters.

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)
  • -00 - Agency Approval Option: Not required

Hardware Specifications

Parameter Specification
Model 330130-080-00-00
Brand Bently Nevada
Origin United States
Weight 0.35 kg nominal (Shipping weight 3.0 kg)
Dimensions 8.0 m physical cable length (75 ohm coaxial configuration)
Operating Temp -51 to +177 deg C
Power Consumption 0.0 W (Passive electrical component)
System Loop Compatibility 3300 XL 5 mm and 8 mm Proximity Transducer Systems
Nominal Capacitance 69.9 pF/m (21.3 pF/ft)
Minimum Bend Radius 25.4 mm (1.0 in)

Eddy-Current Probe Scaling & Cross-Talk Suppression

The internal geometry of the 330130-080-00-00 cable maintains the precise physical parameters required to stabilize eddy-current probe scaling across its 8.0 m extension path. The continuous double-shielded design ensures proper cross-talk suppression when routed alongside adjacent instrumentation channels near high-speed machinery. This impedance control allows accurate gap voltage validation targeting standard -10 VDC operational baselines for structural rotor dynamics monitoring.

Frequently Asked Questions

Q: Can an 8.0 m extension cable be combined with any standard probe length to form a functional transducer loop?

A: No. The total electrical length of the proximity probe and extension cable must match the specific configuration of the Proximitor sensor (typically tuned for 5.0 m or 9.0 m systems). Deviating from these engineered matched parameters introduces non-linear errors in the scale factor.

Q: What mitigation is required for the standard non-armored (-00) option when traversing open structural spans?

A: The non-armored option lacks native physical resistance to mechanical impacts or crushing forces. When deployed across open areas, it must be installed inside grounded steel conduits or liquid-tight metal raceways to protect the coaxial core from deformation.

Field Installation Guidelines

  • Verify that the total length of the extension cable combined with the proximity probe matches the 5.0 m or 9.0 m tuning specification of the destination Proximitor sensor.
  • Do not exceed the minimum static bend radius of 25.4 mm during layout execution to prevent permanent structural changes to the internal coaxial dielectric layers.
  • Cover all subminiature coaxial connector joints completely with self-fusing insulation tape or specialized insulating boots to isolate the shield from local structural ground planes.
  • Isolate non-armored sensor cables from power distribution wiring by using dedicated low-voltage instrumentation channels.

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