Earth Tester

The earth tester determine ground resistance for both specific
and ohm resistances.




  • The earth tester is powered by batteries
  • Have a clock timer function (3 minutes)
  • Data-Hold function
  • a 3 ½ positions LCD display and their dimensions are 163 x 100 x 50 mm
  • Resistance ranges come from 20, 200 to 2000 ohms.
  • They have a resolution of 10 / 100 mΩ / 1 Ω. The earth tester measure resistance by means of a constant reverse current (approx. 800 Hz, 2 mA)
  • To measure ground voltage a rectifier is used (5 kΩ/V aprox. 40…500 Hz)
  • The earth tester PKT-2630 series have a small format as well as multiple functions.


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