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• 

  PDR – 302 EARTH TESTER / EARTH RESISTANCE METER – SANWA

  Analog Type

  Easy to handle & suitable for maintenance facility

  • Phase detectoin system circuit for stable measurement
  • Easy self calibration
  • AC30V range to avoid indication errors caused by leak current
  • Power saving design with push switch
  • Auxiliary grounding value excess indicator lamp

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• 

  PDR4000 – Earth Tester – SANWA

  Digital Type

  Easy to read with backlight

  • Three measurement ranges: 40Ω, 400Ω, 4000Ω
  • 3-pole/2-pole earth resistance measurement
    (Optional accessory TL-68 is necessary for 2-pole measurement.)
  • Auto power off (10 min./Cancelable)
  • Capable of measuring interference voltage
  • 2mA measuring current

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