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The Bently Nevada 330130-040-12-CN, 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 physical 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
-040 Cable Length Option 4.0 metres (13.1 feet)
-12 Connector Protector and Cable Option FluidLoc cable with connector protectors
-CN Agency Approval Option Country specific approvals (China)

Hardware Specifications

Parameter Specification
Model 330130-040-12-CN
Brand Bently Nevada
Origin USA
Weight 0.034 kg (Shipping Weight 1.0 kg)
Dimensions 4.0 m cable length (13.1 feet)
Operating Temp -51 deg C to +177 deg C (-60 deg F to +351 deg F)
Power Consumption Passive signal transmission component
Cable Material 75 ohm triaxial, fluoroethylene propylene (FEP) insulated
Cable Type FluidLoc cable with connector protectors (Option 12)
Agency Approval Country specific approvals (Option CN)
System Compatibility 3300 XL 8 mm Proximity Transducer System

Mechanical Monitoring & Eddy-Current Transducer Performance

The 330130-040-12-CN extension cable maintains tight electrical parameters to ensure accurate eddy-current probe scaling across dynamic machinery monitoring loops. Field commissioning requires gap voltage validation (-10 VDC targets) measured at the Proximitor output terminals to verify the mechanical center point of the target shaft relative to the probe face. The 75 ohm triaxial construction provides cross-talk suppression and isolates high-frequency signal paths from surrounding electromagnetic noise generated during severe rotor dynamics.

Frequently Asked Questions

Q: What is the primary functional advantage of the FluidLoc cable configuration (Option 12)?

A: The FluidLoc cable construction prevents oil and liquid hydrocarbon ingress from wicking through the internal coaxial wire strands and migrating outside the machine housing.

Q: How does combining a 4.0 metre extension cable affect overall transducer system calibration?

A: Combining this 4.0 metre extension cable with a 1.0 metre probe head creates a 5.0 metre total electrical system length, matching the required calibration parameters of standard 5.0 metre Proximitor modules.

Field Installation Guidelines

  1. Confirm that the total combined electrical length of the probe and extension cable matches the design rating printed on the paired Proximitor unit label.
  2. Inspect the integrated connector protectors prior to assembly to ensure seals are intact and free of particle contamination.
  3. Torque coaxial ClickLoc connectors to hand-tight limits until positive mechanical locking is engaged; do not use pliers or aggressive mechanical tools.
  4. Maintain a minimum static bend radius of 25.4 mm (1.0 in) along the FEP-insulated cable run to prevent center-conductor stress or impedance shifts.
  5. Route cabling within dedicated grounded metallic conduit or enclosed wireways to isolate transducer loops from high-voltage motor control wiring.

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