330930-060-04-CN 6.0m Bently Nevada Extension Cable

Introduction to the 330930-060-04-CN Extension Cable

When signal integrity matters in rotating machinery monitoring, the 330930-060-04-CN from Bently Nevada delivers. This 3300 NSv extension cable connects a proximity probe to the Proximitor Sensor, maintaining a consistent 75 Ω coaxial path. Engineered for harsh industrial environments, it features stainless steel armor, an FEP jacket, and a connector protector. This cable ensures reliable vibration data transmission, helping you avoid costly downtime.

Key Features and Technical Specifications

• Cable length: 6.0 meters (19.7 feet) – option 060.
• Connector option 04: stainless steel armor, FEP jacket, connector protector.
• Extension cable material: 75 Ω coaxial, fluoroethylene propylene (FEP) insulated.
• Operating and storage temperature: -51°C to +177°C (-60°F to +351°F).
• Shipping weight: 1.5 kg.
• Center conductor DC resistance: 0.220 Ω/m (0.067 Ω/ft).
• Shield DC resistance: 0.066 Ω/m (0.020 Ω/ft).
• Extension cable capacitance: 69.9 pF/m (21.3 pF/ft) typical.
• Connector material: gold-plated brass.
• Tensile strength: 220 N (50 lb) at probe case to probe lead, probe lead to extension cable connectors, and probe case to stainless steel armor.

The 330930-060-04-CN is designed for exacting vibration monitoring. Its FEP insulation provides excellent dielectric properties and thermal stability. The stainless steel armor protects against mechanical damage, while the gold-plated brass connectors ensure corrosion resistance and secure connections.

Applications and Use Cases

The 330930-060-04-CN is ideal for turbomachinery, compressors, pumps, and other rotating equipment where precise shaft vibration and position measurements are critical. In such applications, signal fidelity is paramount. This extension cable maintains the signal integrity from the probe to the Proximitor Sensor, ensuring accurate data for condition monitoring and protection systems. Its rugged construction makes it suitable for demanding environments, including those with high temperatures or mechanical stress.

Installation and Setup

Proper installation is essential for optimal performance. Ensure the extension cable length and the probe length, when added together, equal the Proximitor Sensor total length. This is a critical requirement for accurate measurement. Route the cable away from high-voltage sources and sharp edges. Use the provided connector protector to safeguard the connection. For field wiring, use a three-conductor shielded triad cable with conductor sizes from 0.2 to 1.5 mm² (16 to 24 AWG). The maximum length between the Proximitor Sensor and the monitor is 305 meters (1,000 feet). Refer to the frequency response graphs (Figure 16 and Figure 17) for signal rolloff at high frequencies when using longer field wiring lengths.

Maintenance and Reliability

The 330930-060-04-CN is built for long service life, but periodic inspection is recommended. Check the cable for cuts, abrasions, or kinks, especially near the connectors. Verify that the connector protector is intact and secure. Inspect the stainless steel armor for any signs of wear or corrosion. The FEP jacket resists chemicals and high temperatures, but regular visual checks help catch issues early. Follow the manufacturer's guidelines for any cleaning or repair procedures.

Compatibility and Integration

This extension cable is part of the Bently Nevada 3300 NSv system. It is designed to work with 3300 NSv Proximitor Sensors and compatible monitors. The 75 Ω coaxial design ensures proper impedance matching with the system. The cable's capacitance and resistance characteristics are specified to maintain signal quality over its length. For detailed compatibility information, consult the official Bently Nevada documentation or contact AutoDCSTech.

Troubleshooting Common Issues

If you experience signal loss or noise, first check the cable connections. Ensure the connectors are tight and free of debris. Verify the total length of probe plus extension cable matches the Proximitor Sensor requirement. If the cable is damaged, replace it immediately. The gold-plated connectors resist corrosion, but if oxidation is suspected, clean with a suitable contact cleaner and dry thoroughly. For persistent issues, consult the Bently Nevada manual or contact AutoDCSTech for support.

Product Support and Availability

The 330930-060-04-CN is available from AutoDCSTech. Please verify current lifecycle status and availability with AutoDCSTech before ordering. Our team can assist with technical questions and ensure you get the right part for your system.