Multifunction Loop Testers Earth Ground Line Loop Impedance Tester Insulation Resistance Meter ,Easy to Use

1. 9999-count LCD display with analogue bar 2. 250V~1000V DC insulation resistance test 3. 200mA earth-resistance continuity test 4. Loop impedance/Prospective Fault Current (PFC)/Prospective Short Current (PSC) test 5. RCD trip time test and the data storage with one key