Digital earth resistance meter
2 mA measuring current permits earth resistance tests without tripping earth leakage current breakers in the circuit under test.
Electrical Multifunction network analyzer (LOOP, PSC and Earth Tester)
Electrical multifunction network analyzer for LOOP, PSC & Earth Test PE-425 incorporates a built-in Earth Tester and Loop/PSC tester for ranges from 0,3 to 2000 Ohms.
Makes the insulation test at rated voltage into a 1 mA load, with user-selectable ranges for resistance and insulation resistance.