Bently Nevada 330930-40-03-05

Bently Nevada 330930-40-03-05

  • Product Overview: The 330930-40-03-05 is a variant within the 3300 XL NSv extension cable family. The part number structure indicates a specific cable length, armor option “03” (non-armored with connector protector), and certification option “05” (multiple agency certifications including CSA NRTL/C and BASEEFA/CENELEC, including CSA Division 2). This cable is designed for installations in hazardous areas requiring certified components.
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Description

Bently Nevada 330930-40-03-05

  • Technical Specifications:
    • Cable Length: 6.0 meters (19.7 feet)
    • Cable Type: Low-noise coaxial, non-armored
    • Connector Type: ClickLoc miniature coaxial connectors
    • Capacitance: 69.9 pF/m (21.3 pF/ft) typical
    • DC Resistance (Center Conductor): 0.220 Ω/m (0.067 Ω/ft)
    • DC Resistance (Shield): 0.066 Ω/m (0.020 Ω/ft)
    • Operating Temperature: -51°C to +177°C (-60°F to +351°F)
    • Weight: Approximately 0.15 kg per meter
    • Compatibility: 3300 XL NSv proximity probes and 330980 NSv Proximitor sensors
  • Functional Features:
    • Extended 6.0-meter reach for installations with greater probe-to-Proximitor distances
    • Low-noise coaxial construction for signal integrity
    • ClickLoc locking connectors
    • Full interchangeability within the 3300 XL NSv system
    • Non-armored design for routing through conduit or cable tray
  • Application Scenarios:
    • Large centrifugal compressors where the Proximitor is rack-mounted at a distance
    • Power plant turbines and generators
    • Industrial fans and blowers with remote-mounted monitoring electronics
    • Process gas compressors in oil and gas facilities
  • Performance Parameters:
    • System sensitivity: 7.87 mV/μm (200 mV/mil) ± 6.5%
    • Linear range: 0.5 to 1.75 mm (20 to 55 mil)
    • Frequency response: 0 to 10 kHz
    • Signal attenuation at 1 kHz: less than 1%
    • Signal attenuation at 10 kHz: less than 5%
  • Material Composition:
    • Low-noise coaxial cable with shielded construction
    • ClickLoc miniature coaxial connectors with gold-plated contacts
    • Industrial-grade polymer cable jacket
  • Structural Features:
    • Non-armored (standard jacket) design
    • Factory-terminated connectors on both ends
    • Longer cable length requires careful routing to prevent signal degradation
  • Working Principle:
    • The 6.0-meter extension cable carries the high-frequency eddy current excitation signal from the Proximitor to the NSv probe and returns the gap-proportional modulated signal. The cable’s controlled impedance ensures signal integrity is maintained across the extended length.
  • Installation Requirements:
    • Route cable through conduit or cable tray for the full length
    • Maintain minimum bending radius of 45 mm
    • Keep cable separated from power lines by at least 200 mm
    • Secure cable at regular intervals to prevent sagging or movement
    • Total system length (probe cable + extension cable) must match the Proximitor configuration
  • Usage Notes:
    • The 6.0-meter length is a common standard for 7-meter total system configurations (when combined with a probe having 1.0-meter integral cable)
    • Verify the total system length matches the Proximitor model before installation
    • This is one of the most widely stocked NSv extension cable variants in the aftermarket

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