The Kewtech Corporation 5-in-1 multifunction tester is easy to use and features new Anti Trip Technology for full no-trip loop testing on all types of RCDs with low susceptibility to RCD uplift and noise interference. It displays PFC/PSC alongside the loop reading and offers 250V 500V and 1000V insulation testing with auto-discharge. The test leads automatically null for continuity mode. Hand free mode controlled by separate button
Single rotary dial for function selection
Mains polarity test