Bently Nevada 330730-040-03-05 3300 XL 11 mm Extension Cable

Product Introduction

The Bently Nevada 330730-040-03-05 is a 3300 XL 11 mm Extension Cable, designed to connect 3300 XL 11 mm probes to Proximitor sensors in critical rotating machinery monitoring systems. This 4.0-meter (13.1 feet) cable features an armored construction with connector protector, ensuring durability and signal integrity in demanding applications. Manufactured in the U.S.A., this extension cable is part of the trusted 3300 XL series, known for precision and reliability in condition monitoring.

Technical Parameters

• Model: 330730-040-03-05
• Cable Length: 4.0 meters (13.1 feet)
• Connector and Cable Option: Armored cable with connector protector
• Agency Approval: Multiple Approvals
• Capacitance: 69.9 pF/m (21.3 pF/ft) typical
• Armor: Flexible AISI 302 SST with FEP outer jacket
• Operating and Storage Temperature: -51°C to +177°C (-60°F to +351°F)
• Weight (unarmored): 45 g/m (0.5 oz/ft) 0.18 kg
• Weight (armored): 140 g/m (1.5 oz/ft) 0.56 kg
• DC Resistance (center to center): 1.0 ± 0.25 ohms
• DC Resistance (jacket to jacket): 0.3 ± 0.1 ohms

Parameter Analysis

The 330730-040-03-05 extension cable is engineered for low signal loss and high reliability. The capacitance of 69.9 pF/m ensures consistent performance with 3300 XL Proximitor sensors. The armored design provides mechanical protection, while the connector protector safeguards against moisture and contamination. The operating temperature range of -51°C to +177°C makes it suitable for extreme environments. The cable’s tensile strength (330 N at probe case, 270 N at connectors) ensures robust handling during installation.

Application Scenarios

This extension cable is ideal for use in vibration monitoring systems on turbines, compressors, pumps, and other rotating machinery. It is commonly applied in industries such as power generation, oil and gas, petrochemical, and manufacturing, where continuous condition monitoring is critical to prevent downtime and ensure operational safety.

Installation Guide

When installing the 330730-040-03-05, ensure the probe-to-extension cable connection is secure and protected. Use the provided silicone tape or connector protector to seal connections, especially in humid environments. Avoid exposing connections to turbine oil, as silicone tape is not recommended in such applications. Route the cable away from high-traffic areas to prevent physical damage. Follow the manufacturer’s guidelines for proper torque and clearance.

Compatibility

The 330730-040-03-05 is compatible with Bently Nevada 3300 XL 11 mm probes and 3300 XL Proximitor sensors. It is designed for system lengths of 5 or 9 meters including the extension cable. 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 (1,000 feet) between the Proximitor and monitor.

Maintenance Advice

Regularly inspect the cable for signs of wear, abrasion, or damage to the armor or connectors. Keep connectors clean and dry. If the cable is exposed to harsh chemicals or extreme temperatures, verify its integrity periodically. Replace the cable if any damage is detected to maintain measurement accuracy.

Procurement Advice

When ordering the Bently Nevada 330730-040-03-05, confirm the exact model number and options to ensure compatibility with your existing system. Consider purchasing spare cables to minimize downtime. Verify that the cable length meets your installation requirements, and check the agency approvals for your region.

FAQ

1. What is the length of the 330730-040-03-05 extension cable?

The cable length is 4.0 meters (13.1 feet).

2. Is the cable armored?

Yes, it features flexible AISI 302 SST armor with an FEP outer jacket.

3. What is the operating temperature range?

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

4. Can I use this cable with any 3300 XL probe?

It is designed for use with 3300 XL 11 mm probes and compatible Proximitor sensors.

5. What is the capacitance of the cable?

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