Bently Nevada 84661-66 330750 Series Interconnection Cables

Description

84661-66 specifies a 66-foot (20.1 m) standard armored interconnection cable used with the Bently Nevada 330750 High Temperature Velomitor System (HTVS) to link the sensor conditioning electronics to the machinery monitor. This cable construction consists of stainless steel armor over a shielded 0.382 mm2 (22 AWG) twisted pair cable, providing high mechanical protection in harsh industrial environments. It is fitted with a moisture-resistant female connector at the HTVS transducer end and terminated with ring lugs at the monitor or receiver end.

Unlike the unarmored 9571-NN standard interconnect cable, the 84661-66 variant integrates a flexible stainless steel conduit armor to protect the inner conductors against mechanical abrasion, crushing forces, and environmental degradation. This 66-foot cable configuration allows operators to position sensitive condition-monitoring electronics up to 20.1 meters away from high-temperature machinery surfaces, maintaining stable vibration signals without thermal degradation of the transmitter.

Features

• 66-foot (20.1 m) overall cable length provides flexible routing from high-temperature machinery locations to cool electronics or termination enclosures.
• Stainless steel armor wrapping protects the 22 AWG inner conductors against severe abrasion, impact, and mechanical routing hazards.
• Shielded 0.382 mm2 (22 AWG) twisted pair copper conductors maintain signal integrity and reduce electromagnetic and radio frequency interference.
• Moisture-resistant female connector pre-installed at the HTVS transducer end ensures a sealed connection.
• Pre-terminated ring lugs at the monitor end facilitate secure screw-terminal connection inside monitoring panels.
• Operating temperature range of -29 degC to 121 degC (-20 degF to 250 degF) covers most industrial routing paths.

Applications

• Shaft vibration and axial position measurement on industrial machinery using the 330750 High Temperature Velomitor System.
• High-temperature processing environments including steam turbines, gas turbines, and industrial piping where physical protection of cabling is required.
• Petrochemical, power generation, and steel manufacturing plants with high mechanical abuse risks.

Ordering Information

Technical Specifications

Connections and Interfaces

Installation Guidelines

• Use shielded cabling to minimize electrostatic and electromagnetic noise.
• Ensure the stainless steel armored jacket is securely tied down along the run using cable clamps.
• Avoid routing in areas where the ambient temperature exceeds 121 degC (250 degF) to preserve cable insulation.
• Terminate the green shield wire to the appropriate monitor ground or instrument ground. Do not ground both ends of the shield to prevent ground loops.
• Avoid tight bends or pinching of the stainless steel armor to prevent inner conductor damage.

Compliance and Certifications

• System Compatibility: Fully compatible with Bently Nevada 330750 High Temperature Velomitor System (HTVS) which supports ATEX/IECEx (Ex ia IIC or IIB, Ex ec IIC or IIB) and CSA/UL certifications when installed in accordance with system guidelines.