330730-040-02-CN Bently Nevada 3300 XL Extension Cable

Bently Nevada 330730-040-02-CN 3300 XL 11 mm Extension Cable

Product Introduction

The Bently Nevada 330730-040-02-CN serves as a critical component in the 3300 XL transducer system. This extension cable connects 3300 XL 11 mm probes to Proximitor Sensors, enabling accurate vibration and position measurements. Moreover, its compact 4.0-meter length suits installations requiring shorter cable runs between the probe and the sensor.

Technical Specifications

The 330730-040-02-CN offers a 4.0-meter (13.1-foot) cable length, providing an ideal solution for installations with limited separation between components. This model features a standard cable configuration with a connector protector that safeguards connections in humid or moist environments. The country-specific agency approval option (CN) ensures compliance with regional regulatory requirements. Furthermore, this extension cable delivers a typical capacitance of 69.9 pF/m (21.3 pF/ft), maintaining signal fidelity across its length.

Cable Construction and Materials

This extension cable utilizes 75 Ω triaxial construction with fluoroethylene propylene (FEP) insulation. FEP offers excellent dielectric properties and chemical resistance, preserving signal integrity in harsh industrial settings. The connector protector adds an extra layer of defense against environmental contaminants. Additionally, each extension cable includes silicone tape as an alternative protection method, though we do not recommend using this tape in applications where the connection will contact turbine oil. Gold-plated brass ClickLoc connectors feature on all transducer system components. These connectors lock securely into place, effectively preventing accidental disconnection.

Electrical Characteristics

The 330730-040-02-CN exhibits precise electrical specifications that guarantee measurement accuracy. The center conductor to center conductor resistance measures 1.0 ± 0.25 ohms, while the coaxial conductor to coaxial conductor resistance reads 0.3 ± 0.1 ohms. These low resistance values minimize signal loss over the 4.0-meter cable length. For field wiring, we recommend using three-conductor shielded triad cable with conductors sized from 0.2 to 1.5 mm² (16 to 24 AWG). The maximum field wiring length between the Proximitor Sensor and the monitor reaches 305 meters (1,000 feet). However, please consult the frequency response graph for signal rolloff considerations when using longer wiring runs.

Temperature and Environmental Ratings

This extension cable operates reliably across an exceptional temperature range, from -52°C to +177°C (-62°F to +351°F). This wide thermal tolerance suits both extreme cold and high-heat environments commonly found in turbine and compressor monitoring. The FEP insulation maintains its physical and electrical properties throughout this entire temperature spectrum, ensuring consistent performance. The gold-plated brass connectors resist corrosion and maintain excellent electrical contact even in challenging conditions.

Linear Range and Scale Factor

The complete 3300 XL 11 mm system, when used with this extension cable, delivers a linear range of 4.0 mm (160 mils). This linear range begins at approximately 0.5 mm (20 mils) from the target and extends from 0.5 to 4.5 mm (20 to 180 mils), corresponding to approximately -1 to -17 Vdc. The incremental scale factor (ISF) measures 3.94 V/mm (100 mV/mil) with a tolerance of ±10%, including interchangeability error. This scale factor applies when measured in 0.5 mm increments over the entire 4.0 mm linear range. The recommended gap setting for optimal performance stands at 2.5 mm (100 mils).

Agency Approvals and Compliance

The 330730-040-02-CN carries country-specific approvals (CN) that satisfy local regulatory standards. This certification ensures seamless integration into installations requiring regional compliance. The extension cable also meets rigorous performance standards for industrial monitoring applications.

Connector and Cable Features

Gold-plated brass ClickLoc connectors feature prominently in the 3300 XL transducer system design. These connectors lock firmly into place, ensuring a secure connection that resists vibration-induced loosening. The connector protector option provides additional protection for connectors in humid or moist environments. We recommend connector protectors for all installations, as they offer increased environmental protection. The silicone tape provided with each extension cable serves as an alternative, though we advise against using it where turbine oil exposure may occur. The system also features gold-plated brass connectors throughout, providing excellent conductivity and corrosion resistance.

System Length and Configuration

The 3300 XL 11 mm system, including the probe and extension cable, offers total system lengths of 5 or 9 meters. The 330730-040-02-CN contributes 4.0 meters of this total length, allowing system designers to achieve the desired overall cable run. This extension cable weighs approximately 45 g/m (0.5 oz/ft), resulting in a total weight of roughly 0.18 kg. For armored versions, the weight increases to 140 g/m (1.5 oz/ft), totaling 0.56 kg for the 4.0-meter length. The tensile strength rating reaches 330 N (75 pounds) at the probe case to probe lead connection and 270 N (60 pounds) at the probe lead to extension cable connectors, ensuring durability during installation and operation.

FluidLoc Cable Option

3300 XL Probes and Extension Cables can also feature the FluidLoc cable option. This option prevents oil and other liquids from leaking out of the machine through the cable's interior. Such protection proves especially valuable in turbine and compressor applications where oil contamination poses a significant concern. When ordering, consider this option if your application involves potential fluid exposure.

Installation Guidelines

Installing the 330730-040-02-CN extension cable requires attention to several key points. First, ensure the Proximitor Sensor calibration matches your target material. By default, factory calibration targets AISI 4140 steel, though we can provide calibration to other materials upon request. Next, connect the extension cable to the probe using the ClickLoc connector, ensuring it locks securely. Then, route the cable away from high-temperature surfaces and moving parts. Finally, apply the connector protector or silicone tape as appropriate. Avoid using silicone tape in turbine oil environments. Always verify the total system length does not exceed the recommended maximum for your specific Proximitor Sensor.

Packaging List

• 1 x Bently Nevada 330730-040-02-CN 3300 XL 11 mm Extension Cable (4.0 m / 13.1 ft)

• 1 x Connector Protector

• 1 x Silicone Tape

• 1 x Installation Guide

Shipping Information

We ship all orders via FedEx, UPS, or DHL to ensure fast and reliable delivery worldwide.

Frequently Asked Questions (FAQ)

Q1: What is the length of this extension cable?
This model provides a 4.0-meter (13.1-foot) extension cable, ideal for installations requiring shorter cable runs between probe and sensor.

Q2: What connectors does this cable use?
It features gold-plated brass ClickLoc connectors that lock securely into place, preventing accidental disconnection.

Q3: What is the operating temperature range?
The cable operates reliably from -52°C to +177°C (-62°F to +351°F), accommodating extreme industrial conditions.

Q4: Can I use silicone tape instead of the connector protector?
Yes, silicone tape is provided with each extension cable. However, we do not recommend using it where the connection will be exposed to turbine oil.

Q5: Is this cable available with armor?
Yes, optional flexible AISI 302 stainless steel armor with an FEP outer jacket is available for additional mechanical protection.