Product description Ground continuity tester is the connecting part of power equipment and grounding gird, during long time run of power equipment, Connection is likely due to moisture and other factors, node corrosion, even fracture phenomenon, lead to lead off the assembly line and the main grounding grid connection point resistance increase, there is no security risk in the operation of the equipment, serious when will cause the equipment to run away from the grounding grid. Technical index Technical parameter Current 10A 5A 1A 100mA Range 10A 500 2 5A 1m 4 1A 10m 20 100mA1 200 Resolution 0.1 Precision 0.2%R 2D Radius 50m Dimension 345mm 295mm 175mm Weight 5kg Operation condition Temperature -10 50 Humidity 85% RH Power supply AC220V 10% Frequency 50 1Hz