Bently Nevada 330730-080-00-CN Extension Cable

Product Introduction

The Bently Nevada 330730-080-00-CN is a genuine 3300 XL 11 mm extension cable, designed for use with 3300 XL proximity transducers. This 8.0-meter (26.2 feet) cable ensures reliable signal transmission between the probe and proximitor sensor. It features a standard cable construction and is certified for hazardous areas with ATEX/IECEx and Chinese NEPSI markings. As an authorized channel, we supply this model new and in original factory packing with a 12-month warranty.

Technical Parameters

• Model: 330730-080-00-CN
• Cable Length: 8.0 meters (26.2 feet)
• Connector and Cable Option: Standard cable
• Agency Approval: ATEX/IECEx and Chinese NEPSI hazardous area marking
• Weight: 0.36 kg
• Extension cable capacitance: 69.9 pF/m (21.3 pF/ft) typical
• Extension cable material: 75 Ω triaxial, fluoroethylene propylene (FEP) insulated
• Extension cable armor (optional): Flexible AISI 302 SST with FEP outer jacket
• Operating and storage temperature: -51°C to +177°C (-60°F to +351°F)
• DC resistance (center to center): 8.5 ± 1.1 ohms

Parameter Analysis

The 330730-080-00-CN extension cable is engineered for high accuracy and stability. Its low capacitance (69.9 pF/m) minimizes signal distortion over the 8-meter length. The FEP insulation provides excellent dielectric properties and thermal resistance, ensuring consistent performance across the wide temperature range. The cable’s 75 Ω impedance matches the system requirements for optimal signal transfer.

Application Scenarios

This extension cable is ideal for vibration and position monitoring in rotating machinery, including turbines, compressors, and pumps. It is commonly used in critical applications such as steam turbines, gas turbines, centrifugal compressors, and industrial pumps where precise shaft vibration and axial position measurements are essential for predictive maintenance and machine protection.

Installation Guide

Installation must follow the Bently Nevada 3300 XL system manual. Ensure the cable is routed away from high-temperature surfaces and sharp edges. The ClickLoc connectors lock securely into place, preventing loosening. For optimal performance, maintain the recommended gap setting of 2.5 mm (100 mils) between the probe tip and target. Use the provided silicone tape or connector protectors in humid environments, but avoid silicone tape in turbine oil exposure areas.

Compatibility

The 330730-080-00-CN is compatible with all 3300 XL 11 mm probes and 3300 XL proximitor sensors. It works with standard Bently Nevada monitoring systems, including the 3500 series and older 3300 systems. The cable is designed for use with 5 mm and 8 mm probe systems, but this specific model is for 11 mm systems. Ensure your system components match the 75 Ω triaxial specification.

Maintenance Advice

Regularly inspect the cable for damage, especially at connection points. Keep connectors clean and dry. If the cable is exposed to harsh environments, consider using connector protectors. Periodically verify the cable’s capacitance and resistance to ensure signal integrity. Replace any damaged cable immediately to avoid measurement errors.

Procurement Advice

When ordering the 330730-080-00-CN, verify the part number suffix to ensure you receive the correct agency approval (CN for ATEX/IECEx and NEPSI). Always purchase from authorized distributors to guarantee genuine Bently Nevada products and warranty support. Check the cable length and connector options to match your installation requirements.

FAQ

Q: What is the length of the 330730-080-00-CN cable?

A: The cable is 8.0 meters (26.2 feet) long.

Q: Is this cable certified for hazardous areas?

A: Yes, the CN option includes ATEX/IECEx and Chinese NEPSI hazardous area marking.

Q: Can I use this cable with any 3300 XL probe?

A: This cable is designed for 3300 XL 11 mm probes. Ensure your probe is compatible with the 75 Ω triaxial cable.

Q: What is the temperature range for this cable?

A: The operating and storage temperature range is -51°C to +177°C (-60°F to +351°F).

Q: Does the cable come with a warranty?

A: Yes, it includes a 12-month factory warranty.