GDDW-III Ground Network Grounding Resistance Tester

GDDW-III Ground Network Grounding Resistance Tester1.1 General introduction Supplied with the new type different frequency AC power supply,It adopts microprocessor to control and process signal,which solve problems of the interference between test lead is used to test grounding resistance in different places such as substation ground network(4Ω),power station,microwave station(10Ω),lightning rod(10)and so on.

1.2 Technique index Measuring range:0~15Ω Precision:3% Measuring current output:AC<3A Test wires:>φ1.2mm2 Power supply:AC 220V 50Hz Size:370*270*220mm3 Weight:5kg