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

Product Introduction

The Bently Nevada 330730-040-00-00 is a 3300 XL 11 mm Extension Cable, designed to connect 3300 XL 11 mm probes to Proximitor sensors in vibration monitoring systems. Manufactured in the U.S.A., this cable ensures signal integrity over a 4.0-meter (13.1 feet) length, with standard cable construction and no agency approval option. It is an essential component for accurate rotating machinery condition monitoring.

Technical Parameters

• Model: 330730-040-00-00
• Length: 4.0 meters (13.1 feet)
• Capacitance: 69.9 pF/m (21.3 pF/ft) typical
• DC Resistance (center conductor): 1.0 ± 0.25 ohms
• DC Resistance (coaxial conductor): 0.3 ± 0.1 ohms
• Operating/Storage Temperature: -51°C to +177°C (-60°F to +351°F)
• Weight: 0.18 kg (standard cable)
• Material: 75 ohm triaxial, FEP insulated
• Connector Material: Gold-plated brass

Parameter Analysis

The 330730-040-00-00 extension cable is engineered for minimal signal loss and stable performance. Its low capacitance (69.9 pF/m) ensures accurate signal transmission over the 4-meter length. The DC resistance values are tightly controlled to maintain system accuracy. The wide temperature range (-51°C to +177°C) allows operation in extreme environments, from cold climates to high-heat turbine areas. The gold-plated connectors provide corrosion resistance and reliable electrical contact.

Application Scenarios

This extension cable is widely used in industrial rotating machinery, including turbines, compressors, pumps, and other critical equipment. It is part of the 3300 XL proximity monitoring system, which measures shaft vibration and position. Typical applications include:

• Steam and gas turbines
• Centrifugal and axial compressors
• Pumps and motors
• Generators and gearboxes

Installation Guide

Install the 330730-040-00-00 cable between the 3300 XL probe and the Proximitor sensor. Ensure the cable is routed away from high-temperature surfaces and sharp edges. Use the provided silicone tape or connector protectors to seal connections, especially in humid or oily environments. Do not exceed the maximum tensile strength of 330 N (75 pounds) at the probe case and 270 N (60 pounds) at connectors. Refer to the service manual for detailed instructions.

Compatibility

This extension cable is compatible with Bently Nevada 3300 XL 11 mm probes and 3300 XL Proximitor sensors. It supports system lengths of 5 or 9 meters when combined with the probe and extension cable. The cable is designed for use with standard 3300 XL monitoring systems.

Maintenance Advice

Regularly inspect the cable for damage, especially at connectors and bends. Keep connectors clean and dry. If the cable is exposed to oil or moisture, use connector protectors or silicone tape to prevent contamination. Replace the cable if any signs of wear or signal degradation are observed.

Procurement Advice

When ordering the 330730-040-00-00, verify the part number to ensure the correct length and options. Consider purchasing connector protectors (option -05) for enhanced environmental protection. For applications with fluid leakage risk, consider the FluidLoc cable option. Always source from authorized Bently Nevada channels to guarantee genuine parts and warranty.

FAQ

What is the length of the 330730-040-00-00 cable?

The cable length is 4.0 meters (13.1 feet).

Can this cable be used with 3300 XL probes?

Yes, it is specifically designed for 3300 XL 11 mm probes.

What is the temperature range?

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

Is the cable armored?

No, the standard cable (option 00) is not armored. Armored versions are available as an option.

How should I protect the connections?

Use the provided silicone tape or optional connector protectors to shield connections from moisture and oil.