The 330130-045-02-05, also cataloged as the 3300 XL 8mm Extension Cables, serves as the essential interconnect component between the proximity probe and the Proximitor sensor in vibration monitoring systems. By providing a low-loss transmission path for the high-frequency carrier signal, this cable ensures accurate signal integrity for radial vibration and axial position measurement. Engineered to maintain consistent impedance, it is a critical element in the Bently Nevada 3500 series architecture, facilitating reliable data transmission in high-speed turbine and compressor monitoring environments.

Model Configuration Matrix

• 330130: 3300 XL 8mm Extension Cable
• 045: 4.5 meters (14.8 feet) cable length
• 02: Miniature coaxial ClickLoc connector
• 05: Connector and cable options (Standard)

Technical Data Overview

Signal Integrity and Impedance Matching

The 330130-045-02-05 is precision-engineered to maintain a characteristic impedance of 75 Ohms, which is vital for the frequency-modulated signal generated by the 3300 XL transducer system. The assembly utilizes high-quality coaxial cabling and gold-plated ClickLoc connectors to prevent signal degradation caused by contact resistance or oxidation. This specific length is calibrated to match the Proximitor sensor’s inductive reactance, ensuring the system remains within its specified linear range for accurate rotor dynamics interpretation. The FEP jacket provides resistance to petroleum-based lubricants and harsh chemical environments.

Delivery Package Details

• 1 x 330130-045-02-05 Extension Cable
• 1 x Installation and Setup Manual
• 1 x Connector Protection Caps

Installation and Site Integration

• Routing Guidelines
  • Route the extension cable through dedicated electrical conduits, separate from high-voltage power cables, to minimize electromagnetic interference (EMI).
  • Avoid sharp bends that could deform the coaxial geometry; maintain a minimum bend radius of at least 5 cm.
• Connector Care
  • Inspect the ClickLoc connectors for cleanliness and debris before mating; secure the locking mechanism until a distinct tactile "click" is felt.
  • Use protective caps if the cable must remain disconnected for any duration to prevent contamination of the gold-plated surfaces.
• Environmental Sealing
  • Ensure all cable penetrations into junction boxes are properly sealed to prevent the ingress of industrial lubricants or moisture.

Operational FAQ

Q: Is this extension cable compatible with older 3300 series probes?

A: The 330130 is specifically designed for the 3300 XL system; refer to the compatibility matrix if mixing with legacy 3300 components.

Q: Can I cut the extension cable to a shorter length?

A: No. Altering the length of the cable changes the system’s electrical tuning and will void the calibration accuracy.

Q: What is the purpose of the ClickLoc connector?

A: It ensures a constant-pressure, vibration-resistant connection that prevents intermittent signal loss in high-vibration applications.

Q: How should I handle excess cable length?

A: Excess cable should be coiled in a wide loop (no less than 10 cm diameter) and secured with non-abrasive ties.

Q: Is the cable jacket resistant to oil?

A: Yes, the FEP (Fluorinated Ethylene Propylene) jacket is designed to withstand exposure to standard industrial synthetic and mineral oils.

Q: Does the cable length affect the Proximitor calibration?

A: Yes, the system is calibrated for the specific total length; ensure the extension length matches the system requirements.

Q: What happens if the connector is not fully locked?

A: Incomplete locking can result in high-frequency noise or "signal dropout," leading to erroneous vibration readings or false trips.