Compact and robust multifunction tester. Tests 18th edition electrical installations including type A and AC RCDs. IP54 rated, even when the leads are not plugged in. Anti-trip technology loop for full no-trip loop testing of all RCD types. Low susceptibility of RCD uplift and noise interference. Displays PFC/PSC at same time as loop reading. 250/500/1000V insulation test with auto-discharge. Test leads auto-null for continuity mode. RCD auto-test mode for 30mA RCDs. RCD ramp test function. Tests 10mA, 30mA, 100mA, 300mA and 500mA RCDs. Hand-free mode controlled by separate button. Instant correct wiring status check. Supplied in a soft carry case. Prospective Short Circuit Test RCD Test Earth Fault Loop Impedance Test Mains Polarity Test Backlit LCD Display Hi & Low Current Loop Test Prospective Short Circuit Test RCD Test Earth Fault Loop Impedance Test Mains Polarity Test Backlit LCD Display Hi & Low Current Loop Test