"The KT63 Multifunction Tester is the perfect 17th Edition tester for electricians wanting to test and certify electrical installations in both domestic and commercial properties.The KT63 Multifunction Tester offers a variety of tests including Continuity, Insulation, Auto RCD and Non-Trip Loop Testing all in compliance with Part P and BS7671 regulations. The KT63 Tester provides simple test selection and operation functions with a large screen for clearly displaying test results. Additional features including a hands-free testing mode make this a fast and accurate multifunction tester that offers an affordable option for installers and commissioning engineers. Full no trip loop testing on all types of RCD. Displays PFC\/PSC at the same time as the loop impedance reading. 250V, 500V and 1000V insulation testing with auto discharge. Auto null eliminates test lead resistance when continuity testing. Auto RCD test mode for 30mA RCDs. RCD ramp test. Hands-free mode. Mains polarity testLoop Impedance Test Type = 3 WireAutomatic RCD Test = YesRCD Ramp Test = YesNon-Tripping = YesInsulation Test Voltage = 1000V dcMaximum Voltage Measurement = 250VTest Type = ContinuityContinuity Test Current = 200mARCD Test Type = AC TypeTest Standards = BS 7671"