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The Bently Nevada 330130-030-00-05, also cataloged as the 330130 Extension Cable, operates as a dedicated hardware component for high-frequency signal transmission within 3300 XL Proximity Transducer System networks. It matches the electrical capacitance and impedance of 3300 XL proximity probes to convey dynamic shaft position and vibration signals directly to downstream Proximitor signal processing hardware.

Suffix Breakdown & Model Matrix

Option Code Specification Parameter Value / Description
330130 Base Model 3300 XL Extension Cable
-030 Cable Length Option 3.0 metres (9.8 feet)
-00 Armor and Cable Option Standard cable, unarmored
-05 Agency Approval Option CSA, ATEX, IECEx approvals

Hardware Specifications

Parameter Specification
Model 330130-030-00-05
Brand Bently Nevada
Origin USA
Weight Approx 0.11 kg
Dimensions 3.0 m cable length (9.8 feet)
Operating Temp -51 deg C to +177 deg C (-60 deg F to +351 deg F)
Power Consumption Passive signal transmission component
Cable Construction 75 ohm triaxial, fluoroethylene propylene (FEP) insulated
Connector Type Miniature coaxial ClickLoc connector
Agency Approval CSA, ATEX, IECEx intrinsically safe approvals (Option 05)
System Compatibility 3300 XL Proximity Transducer System

Mechanical Monitoring & Eddy-Current Transducer Performance

The 330130-030-00-05 extension cable maintains tight physical and electrical tolerances to preserve eddy-current probe scaling accuracy across severe machinery monitoring loops. During commissioning, gap voltage validation (-10 VDC targets) measured at the Proximitor test points verifies static mechanical alignment relative to the target shaft. The continuous 75 ohm triaxial shielding enforces cross-talk suppression and isolates microvolt-level high-frequency signals from severe electromagnetic noise generated under dynamic rotor dynamics conditions.

Frequently Asked Questions

Q: How does combining a 3.0 metre extension cable integrate into standard 3300 XL transducer configurations?

A: Combining this 3.0 metre extension cable with a 2.0 metre proximity probe head creates a total electrical system length of 5.0 metres, perfectly matching the input calibration tuning of 5.0 metre Proximitor units.

Q: What precautions should be taken with ClickLoc miniature coaxial connectors during field assembly?

A: Ensure connector mating faces are completely free of oil, water, or particulate contamination before engagement. Tighten by hand until a positive mechanical lock is felt; do not use wrenches or mechanical tools.

Field Installation Guidelines

  1. Confirm that the total combined electrical length of the proximity probe and extension cable matches the total system length rating specified on the Proximitor module label.
  2. Maintain a minimum static cable bend radius of 25.4 mm (1.0 in) along the unarmored cable run to avoid dielectric stress or impedance distortion.
  3. Keep miniature coaxial ClickLoc connectors dry and clean during wire pulls through conduit.
  4. Route transducer cables within dedicated, grounded metallic conduit physically separated from AC power and motor supply leads.
  5. Secure the cable run using non-conductive mounting clamps at regular intervals to minimize mechanical strain and vibration-induced fatigue at connection joints.

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