Bently Nevada 330730-040-01-00 3300 XL 11 mm Extension Cable

Product Introduction

The Bently Nevada 330730-040-01-00 is a 3300 XL 11 mm Extension Cable, designed for use with 3300 XL proximity transducers. This cable is essential for connecting the probe to the proximitor sensor in rotating machinery monitoring systems. With a length of 4.0 meters (13.1 feet) and an armored option, it provides robust protection and reliable signal transmission in demanding industrial environments.

Technical Parameters

• Model: 330730-040-01-00
• Cable Length: 4.0 meters (13.1 feet)
• Connector and Cable Option: 00 = Standard cable
• Agency Approval Option: 01 = Armored cable (Flexible AISI 302 SST with FEP outer jacket)
• Extension cable capacitance: 69.9 pF/m (21.3 pF/ft) typical
• Operating and Storage Temperature: -51°C to +177°C (-60°F to +351°F)
• Weight: Standard 0.18 kg; Armored 0.56 kg
• DC Resistance (4.0 m): Center conductor to center conductor: 1.0 ± 0.25 ohms; Coaxial conductor to coaxial conductor: 0.3 ± 0.1 ohms
• Material: 75 Ω triaxial, fluoroethylene propylene (FEP) insulated
• Connector Material: Gold-plated brass

Parameter Analysis

The 330730-040-01-00 extension cable is engineered to maintain signal integrity over its 4.0-meter length. Its low capacitance (69.9 pF/m) minimizes signal attenuation, ensuring accurate vibration data transmission. The armored option provides extra mechanical protection, making it suitable for harsh environments. The cable’s temperature range (-51°C to +177°C) allows operation in extreme conditions. With a tensile strength of 330 N at the probe case and 270 N at connectors, it withstands industrial handling.

Application Scenarios

This extension cable is widely used in condition monitoring systems for turbines, compressors, pumps, and other rotating machinery. It connects 3300 XL 11 mm proximity probes to proximitors, enabling continuous vibration and position monitoring. Typical applications include:

• Steam and gas turbines
• Centrifugal and axial compressors
• Pumps and motors
• Generators and other critical rotating equipment

Installation Guide

Installation must follow Bently Nevada guidelines. 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 environments. For armored cables, ensure proper grounding of the armor. The cable should be connected securely to the probe and proximitor, avoiding excessive bending or strain.

Compatibility

The 330730-040-01-00 is compatible with Bently Nevada 3300 XL 11 mm proximity probes and 3300 XL Proximitor sensors. It is part of the 3300 XL system, which includes 5 or 9 meter system lengths. The cable works with standard field wiring (0.2 to 1.5 mm²) and can be used with three-conductor shielded triad cable up to 305 meters between the proximitor and monitor.

Maintenance Advice

Regularly inspect the cable for damage, especially at connection points. Keep connectors clean and dry. If the cable is exposed to oil or moisture, use connector protectors. Periodically verify cable resistance and capacitance to ensure signal integrity. Replace any damaged cable immediately to avoid monitoring errors.

Procurement Advice

When ordering, verify the model number 330730-040-01-00 to ensure correct length and armored option. Consider spare cables for critical machinery to minimize downtime. Purchase from authorized Bently Nevada distributors to guarantee genuine parts and warranty support.

FAQ

Q: What is the length of the 330730-040-01-00 cable?

A: The cable length is 4.0 meters (13.1 feet).

Q: Is the cable armored?

A: Yes, the option ’01’ indicates armored cable with flexible AISI 302 SST and FEP outer jacket.

Q: What is the operating temperature range?

A: The cable operates and stores in temperatures from -51°C to +177°C (-60°F to +351°F).

Q: Can this cable be used with all 3300 XL probes?

A: It is designed for 3300 XL 11 mm probes and is compatible with the 3300 XL system.

Q: What is the capacitance of the cable?

A: The typical capacitance is 69.9 pF/m (21.3 pF/ft).