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CX41 TDR and CX42 DMM

Time Domain Reflectometer and Digital Multimeter for the Outside Plant

The CX41 is a small, ultra-portable, and budget-friendly Time Domain Reflectometer (TDR), ideal for Outside Plant (OSP), and Hybrid Fiber Coax (HFC) network installation and maintenance. its a essential tool for GNSS antenna feed installation and 1PPS precision timing distribution. it provide accurate time-of-flight (Delay) measurement mode.

The CX42 is a budget friendly and ultra portable telecom grade Digital Multimeter suitable for the Outside Plant.

CX41 TDR

  • Fault identification and location
  • Cable length verification
  • Direct cable delay measurement in nanosecond (no estimate conversion required)
  • One touch automatic mode for a quick test
  • Manual mode for detailed TDR trace analysis
  • DC voltage measurement for line power verification*
  • AC voltage measurement for induced foreign voltage detection*
  • Simple user interface that saves time on the job

Precision Timing Applications

  • Accurate direct Cable Delay Measurement in nanoseconds, independent from VP% values
  • Ideal for GNSS Antenna Feed Documentation
  • Antenna Cable Delay for PRTC timing accuracy compensation
  • Coaxial cable delay compensation for 1PPS timing distribution

* Telco Version

CX42 DMM

  • DC voltage measurement for line and equipment power verification and foreign voltage detection
  • AC voltage measurement for induced foreign voltage detection
  • Resistance measurements for cable insulation verification and short detection
  • DC and AC current
  • Capacitance measurements for verifying cable balance
  • Simple user interface that saves time on the job

CX41 TDR

  • Telco (UTP) Version:
    • Test port: 2 mm banana
    • Range: 3.6 km (12 kft)
  • Coaxial version:
    • Test port: F or BNC
    • Range: 1.5 km (5 kft)
  • Accuracy:
    • For length mode: 1% of selected range or 1m (3ft)
    • For nS mode: ±0.002% ±1 nS
  • Minimum distance resolution: 0.025m (0.08 ft)
  • Cable delay resolution: 1 nS
  • Velocity factor: Adjustable to 99%
  • Pulse width: 10 nS to 10 µs (automatic with range)
  • Impedance: 50, 75, 100, 120 ohms
  • DC voltage range: 300V*
  • AC voltage range: 200V*
  • Dimensions: 129 x 61 x 39 mm (5.1 x 2.4 x 1.5 in)
  • Weight: <450 grams (<1 pound)

* Telco Version

CX42 DMM

  • DC voltage range: 300V; accuracy 2%, ±1V
  • AC voltage range: 250V; accuracy 2%, ±1V
  • Resistance: 0Ω to 999 MΩ; accuracy 3%, ±1Ω
  • AC loop current range: 80 mA; accuracy 2%, ±1 mA
  • DC loop current range: 110 mA; accuracy 2%, ±1 mA
  • Capacitance range: 1 µF; accuracy 3%, ±1 nF
  • Dimensions: 129 x 61 x 39 mm (5.1 x 2.4 x 1.5 in)
  • Weight: <450 grams (<1 pound)
  • Battery options: Standard alkaline AA or optional rechargeable NiMH
  • Test port: 2 mm banana