Sew 4 wire earth resistance & resistivity tester
microprocessor-controlled.
● earth resistivity (ρ) test.
● earth testing at 20ω, 200ω, 2kω.
● earth voltage measuring : 0-300v ac.
● automatic c spike check.
● automatic p spike check.
● 2-wire test, 3-wire test, 4-wire test.
● lcm display.
● auto ranging.
● auto power off.
● data hold.
● 200 measurement results can be saved in the memory
and recalled on the display.
● interval between auxiliary earth spikes is 1.0~50.0m.