Bently Nevada 125680-01 3300 XL Eddy Current Probe Extension Cable

Technical Specifications

  • Manufacturer: Bently Nevada (Baker Hughes)
  • Product Type: Eddy Current Probe Extension Cable (Shielded)
  • Series Compatibility: 3300 XL Series Eddy Current Sensor System
  • Electrical Parameters:
    • Cable Impedance: 50 Ω (characteristic impedance, optimized for eddy current signals)
    • Capacitance: ≤100 pF/m (at 1 kHz)
    • Conductor Resistance: ≤5 Ω/100m (20°C, for copper conductors)
    • Shielding: 90% tinned copper braid + aluminum foil (dual shielding for EMI/RFI protection)
    • Insulation Material: FEP (Fluorinated Ethylene Propylene) – chemical-resistant, high-temperature tolerance
Category:
Description
  • Physical & Mechanical Properties:
    • Cable Construction: 2-core twisted pair (signal conductors) + drain wire
    • Outer Jacket Material: PUR (Polyurethane) – oil-resistant, abrasion-resistant
    • Standard Lengths: 3m, 5m, 10m (custom lengths available)
    • Diameter: 6.5 mm (outer jacket)
    • Connector Type: Male BNC (probe end) + Male M12 (preamplifier end) – corrosion-resistant plating
  • Environmental Ratings:
    • Operating Temperature: -40°C to +125°C
    • Storage Temperature: -50°C to +150°C
    • Chemical Resistance: Resistant to oils, fuels, and common industrial solvents
    • Protection Rating: IP67 (when mated with compatible connectors)
    • Hazardous Area Certifications: ATEX II 2G Ex d IIC T6 Ga; IECEx Ex d IIC T6 Ga; FM Class I, Div 1, Groups A–D

Functional Features

  • Optimized Signal Integrity: 50 Ω characteristic impedance and twisted-pair conductors minimize signal reflection and crosstalk, ensuring accurate transmission of eddy current sensor data.
  • Dual EMI/RFI Shielding: Tinned copper braid + aluminum foil block electromagnetic and radio-frequency interference, critical for industrial environments with high electrical noise (e.g., near motors, inverters).
  • Harsh Environment Durability: FEP insulation and PUR outer jacket resist extreme temperatures, oil, abrasion, and chemicals, extending service life in refineries, power plants, or mining sites.
  • Seamless System Compatibility: Factory-terminated BNC/M12 connectors ensure perfect mating with 3300 XL probes and Proximitor® preamplifiers, eliminating field-wiring errors.
  • Hazardous Area Approval: Certified for use in explosive atmospheres (gas/dust zones), making it safe for oil & gas, chemical, or pharmaceutical applications.
  • IP67 Water/Dust Resistance: Mated connectors prevent ingress of dust and water, suitable for outdoor or wet industrial environments (e.g., marine, wastewater treatment).

Application Scenarios

  • Power Generation: Connects 3300 XL probes on steam/gas turbines or generators to preamplifiers, ensuring reliable vibration/displacement monitoring in power plant control rooms.
  • Oil & Gas Industry: Used in upstream (drilling rig motors), midstream (pipeline compressors), and downstream (refinery pumps) to link sensors in hazardous zones to safe-area preamplifiers.
  • Chemical Processing: Transmits signals from reactor agitator probes to monitoring systems, with chemical-resistant jacket surviving exposure to solvents or corrosive vapors.
  • Steel Manufacturing: Withstands high temperatures near rolling mills, connecting shaft probes to preamplifiers for continuous vibration monitoring.
  • Marine Engineering: Resists saltwater corrosion and vibration on ship propulsion systems, linking 3300 XL probes to on-board condition monitoring systems.
  • Heavy Industry: Used in mining crushers or cement mill drives, where abrasion-resistant PUR jacket withstands dust and mechanical wear.
  • Aerospace & Defense: Supports ground-based gas turbine test stands, with high-temperature insulation ensuring signal reliability near hot engine components.
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