وصف

Bently Nevada 330730-040-00-CN 3300 XL 11 mm Extension Cable

The Bently Nevada 330730-040-00-CN, also cataloged as the 330730 3300 XL 11 mm Extension Cable, operates as a dedicated signal transmission component for eddy-current displacement measurement within the 3300 XL 11 mm Proximity Transducer System.

Hardware Specifications

Parameter	Specification
Model	330730-040-00-CN
Brand	Bently Nevada (Baker Hughes)
Product Type	3300 XL 11 mm Extension Cable
System Compatibility	3300 XL 11 mm Proximity Transducer System
Origin	USA
Cable Length	4.0 meters (13.1 feet)
Cable Construction	75 Ohm triaxial cable with FEP insulation
Armor Type	Unarmored standard cable
Connector Type	Gold-plated brass miniature coaxial ClickLoc connectors
Operating Temp	-51 deg C to +177 deg C
Power Consumption	Passive signal transmission component; no external power consumption
Target Linear Range	4.0 mm (160 mils) within the 3300 XL 11 mm system
System Scale Factor	3.94 V/mm (100 mV/mil)
Environmental Protection	Moisture-resistant ClickLoc positive-locking connector system
Humidity Resistance	100% condensing environment capability

Eddy-Current Signal Transmission and Rotor Dynamics

The 330730-040-00-CN extension cable maintains the electrical characteristics required for 3300 XL 11 mm eddy-current probe operation. It transfers high-frequency displacement signals between the proximity probe and Proximitor Sensor while preserving the calibrated system response.

Furthermore, the cable assembly supports rotor dynamics monitoring by maintaining signal integrity during shaft position and vibration measurement. The matched impedance triaxial construction minimizes measurement deviation across the complete probe-cable-sensor circuit.

The 3300 XL 11 mm system uses probe scaling characteristics with a nominal scale factor of 3.94 V/mm. Therefore, the extension cable must remain within the specified system configuration to maintain gap voltage interpretation and displacement output accuracy.

Frequently Asked Questions

Q: What components connect with the Bently Nevada 330730-040-00-CN cable?
A: The cable connects a 3300 XL 11 mm proximity probe to a compatible 3300 XL Proximitor Sensor within the 3300 XL Proximity Transducer System.

Q: Does the 330730-040-00-CN cable require external power?
A: No. The extension cable is a passive signal transmission component and receives operating excitation through the connected Proximitor Sensor circuit.

Q: What installation factors affect measurement accuracy?
A: Correct probe-cable matching, proper connector engagement, and controlled cable routing away from high-noise electrical sources help maintain signal performance.

Field Installation Guidelines

• Install the cable according to the 3300 XL 11 mm Proximity Transducer System configuration requirements.
• Ensure ClickLoc connectors are fully engaged before equipment operation to maintain mechanical locking and environmental sealing.
• Route the extension cable separately from high-current power conductors to reduce electromagnetic interference.
• Avoid sharp bending, crushing forces, and mechanical stress on the FEP insulated cable jacket.
• Maintain proper shield and signal reference practices according to the monitoring system installation documentation.
• Verify the complete probe, extension cable, and Proximitor Sensor combination before performing shaft position or vibration calibration.
• Confirm gap voltage values during commissioning to validate correct probe positioning and measurement range.

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