Product Overview

The 330190-045-00-00 is a high-performance 3300 XL series extension cable specifically engineered by Bently Nevada for Extended Temperature Range (ETR) environments. This 4.5-meter cable serves as the critical bridge between a proximity probe and a Proximitor sensor, maintaining signal integrity in conditions where standard cables would degrade. Built for extreme industrial reliability, it ensures that the high-frequency eddy current signals used for vibration and displacement monitoring remain accurate and free from interference. Its robust construction is specifically tailored for the high-heat zones often encountered near turbine casings and exhaust systems, making it a cornerstone for modern machinery protection strategies.

Technical Performance and Mechanical Data

• Model Identification: 330190-045-00-00

• Total Cable Length: 4.5 Meters (approximately 15 feet)

• Temperature Specification: Extended Temperature Range (ETR)

• Operating Limits: -55°C to +200°C (-67°F to +392°F)

• Armoring Option: No Armor (Standard flexible jacket)

• Connector Type: Miniature coaxial ClickLoc (gold-plated)

• System Compatibility: 3300 XL 8 mm Transducer System

• Electrical Design: Low capacitance for high-fidelity signal transmission

• Net Mass: 0.06 kg

• Shipping Dimensions: 1.8 x 1.6 x 123 cm

• Country of Origin: USA

Deployment Scenarios and Asset Monitoring

This extension cable is an essential component for Turbine Supervisory Instrumentation (TSI) in power generation and petrochemical processing. Because of its 200°C thermal rating, the 330190-045-00-00 is primarily utilized in high-temperature zones of gas turbines, steam turbines, and large centrifugal compressors. It is used to relay critical data regarding radial shaft vibration, axial thrust position, and Keyphasor timing pulses. By allowing the Proximitor sensor to be mounted in a more temperate environment while the cable reaches into the heat-intensive bearing housing, it protects the system's electronics while ensuring continuous monitoring of critical rotating machinery.

FAQ

Q: What does the "ETR" designation signify for this Bently Nevada cable?

A: ETR stands for Extended Temperature Range. Unlike standard cables that may fail or melt under extreme heat, this cable uses specialized fluoropolymer insulation and jacketing that allows it to operate continuously at temperatures up to 200°C without signal loss or physical degradation.

Q: Why is it important to use a 4.5-meter cable for my 5-meter system?

A: In a standard 5-meter Bently Nevada proximity system, the total electrical length is composed of a 0.5-meter probe and a 4.5-meter extension cable. Using the correct length is vital because the Proximitor sensor is calibrated to the specific capacitance and resistance of that total 5-meter line.

Q: Are the ClickLoc connectors on this cable vibration-proof?

A: Yes, the gold-plated ClickLoc connectors are specifically designed to resist loosening in high-vibration environments. The "click" feedback provides a mechanical assurance that the connection is fully seated and electrically secure.

Q: Does this cable require any special shielding or conduit?

A: While the 3300 XL system features high RFI/EMI immunity, this specific cable (option 00) is unarmored. If the installation area is subject to extreme physical abrasion or mechanical crushing, Bently Nevada recommends routing the cable through a protective conduit or selecting an armored version of the 330190 series.

Q: Can this cable be used with a 3300 XL 11 mm probe?

A: While the connectors may physically fit, the 330190-045-00-00 is electrically matched for use within the 3300 XL 8 mm system. Using it with an 11 mm probe system requires verification that the Proximitor sensor is calibrated for the specific impedance of the 8 mm cable type.