DUOYI DY207A Socket polarity RCD Loop impdance tester


Regular price $19.99


  • socket test indicates actual fault location- Live, Neutral or Earth
  • Earth loop test at mains frequency to check the actual condition of the wiring
  • Swift and efficient testing of RCDs by 30mA
  • Microprocessor control with bulti-in visible self-check ensures total confidence in correct functioning at all times
  • Tri-colored LEDs(green, orange, red) give clear and positive indication of Good wiring plus 17 possible fault conditions
  • Four main versions available: EU major, UK/ZA, USA/BR/JP, CN/AU/AR


  • Rated AC voltage: AC 230V ± 10%
  • Loop detection (tightness of wiring)
  • Frequency range: 50-60Hz
  • Power consumption: about 3mA
  • Contact voltage limit: <AC 50V, (on the ground)
  • Overvoltage protection: AC / DC 300V
  • Temperature range: 0C ~ 40C
  • Humidity: <80%
  • Leakage Protection Detection: 30mA
  • Protective ground fault detection
  • Reaction limits: <AC 50V (ground)
  • Size: 72 × 78 × 80mm
  • Weight: about 40g

Packing List

  • 1 x DY207A main unit