Bently Nevada 330130-080-00-IN Extension Cable 3300 XL 8m

Bently Nevada 330130-080-00-IN Extension Cable – 8 Meter 3300 XL Series

The Bently Nevada 330130-080-00-IN represents a critical connectivity solution for 3300 XL proximity transducer systems, delivering 8 meters (26.2 feet) of precision-engineered signal transmission capability. This standard extension cable features advanced FEP insulation and 75 © triaxial construction, ensuring uncompromised signal fidelity in the most demanding industrial monitoring applications.

Core Technical Specifications

• Part Number: 330130-080-00-IN
• Cable Length: 8 meters (26.2 feet / 315 inches)
• Series Compatibility: Bently Nevada 3300 XL proximity transducer systems
• Construction Type: Triaxial shielded configuration
• Insulation: FEP (Fluorinated Ethylene Propylene)
• Characteristic Impedance: 75 ohms ±3 ©
• Operating Temperature: -40 °C to +125 °C (-40 °F to +257 °F)
• Capacitance: Approximately 30 pF/ft (98 pF/m)
• Shield Effectiveness: >90 dB at 100 MHz
• Minimum Bend Radius: 10x cable outer diameter

Industrial Application Environments

Engineered for mission-critical machinery protection across diverse sectors:

Power Generation Facilities: Connect proximity sensors monitoring turbine shaft displacement, thrust position, and differential expansion in steam and gas turbine-generator sets. The 8-meter length accommodates typical spacing between bearing housings and control room junction boxes in utility-scale installations.

Petrochemical Processing: Enable vibration monitoring of centrifugal compressors, reciprocating compressors, and high-speed pumps handling volatile fluids. FEP insulation resists chemical attack from hydrocarbon vapors, acids, and caustic process streams commonly encountered in refineries and chemical plants.

Manufacturing Operations: Support condition monitoring programs for paper machine dryer sections, steel mill rolling stands, and automotive assembly line drive systems where equipment accessibility requires extended sensor-to-monitor distances.

Marine Propulsion: Provide reliable shaft vibration measurement in ship engine rooms and offshore platform machinery spaces where salt spray, humidity, and temperature cycling challenge conventional cabling.

Advanced Design Architecture

The 330130-080-00-IN employs a sophisticated triaxial geometry that fundamentally differs from standard coaxial designs. The inner conductor carries the proximity sensor’s high-frequency oscillator signal, while dual concentric shields provide both electrostatic and electromagnetic isolation. This architecture achieves exceptional common-mode rejection, critical when sensors operate near variable frequency drives, welding equipment, or radio transmitters.

FEP insulation delivers superior dielectric stability across the full operating temperature range, maintaining consistent capacitance and preventing signal phase shift that could introduce measurement errors. Unlike PVC or polyethylene alternatives, FEP exhibits minimal moisture absorption and maintains flexibility even at cryogenic temperatures, essential for LNG facilities and cold climate installations.

System Integration Methodology

This extension cable functions as the intermediate link between proximity probes installed in machinery bearing assemblies and proximitor signal conditioning modules mounted in control cabinets. When integrated with 3300 XL transducer systems, it enables real-time measurement of shaft radial position, axial thrust, and dynamic vibration with micron-level resolution.

The precisely controlled 75 © impedance ensures proper termination matching, preventing signal reflections that degrade measurement accuracy. Each cable undergoes factory testing to verify DC resistance, insulation resistance (>1000 M ©), and shield continuity, guaranteeing reliable performance in safety-instrumented systems (SIS) and emergency shutdown (ESD) applications.

Installation Best Practices

• Route cables through dedicated cable trays separated from AC power conductors by minimum 300mm (12 inches)
• Avoid parallel runs exceeding 3 meters alongside VFD motor cables or high-current bus bars
• Use cable glands with EMI gaskets when penetrating metal enclosures to maintain shield integrity
• Support cables at 1-meter intervals using non-metallic P-clips to prevent mechanical stress
• Verify connector torque specifications (typically 0.9-1.1 N ) using calibrated torque screwdriver
• Document cable serial numbers and installation dates for maintenance tracking and regulatory compliance

Performance Validation

Each 330130-080-00-IN cable ships with certification documenting compliance with ISO 9001 quality management standards. Electrical parameters including capacitance, impedance, and shield resistance meet or exceed Bently Nevada’s published specifications, ensuring drop-in compatibility with legacy 3300 XL systems installed over the past two decades.

Compatible System Components

Regulatory Compliance

Manufactured in accordance with UL 1581 wire and cable standards, RoHS directive 2011/65/EU for hazardous substance restrictions, and REACH regulation EC 1907/2006. Suitable for use in Class I Division 2 hazardous locations when installed per NEC Article 501 requirements.

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