"The KT65DL17th Edition Multifunction Tester covers all aspects of installation testing including a three wire earth resistivity test, but also doubles up as a PAT tester for testing portable appliances to the recommended minimum requirements.Easy to use. Phase rotation in line with new 17th edition requirements. Advanced memory with free software. NEW Anti-Trip Technology for full no trip LOOP testing on all RCD types. Test button in probe as well as lockdown test button for ‘hands free’ testing. Easy PFC and PSC measurement without the need to alter test probes. 250, 500 and 1000V insulation tests with auto discharge. Additional LED for warning of high voltage output in insulation test mode. Memory for test lead resistance compensation. Backlit display. Auto-test memory for RCD testing with all results shown on one screen, so no scrolling. Conducts phase to phase loop tests. Complies with BS7671 (Part P)Loop Impedance Test Type = 2 Wire, 3 WireCalibrated = UKASAutomatic RCD Test = YesRCD Ramp Test = YesNon-Tripping = YesInsulation Test Voltage = 100VMaximum Voltage Measurement = 500VTest Type = ContinuityEarth Resistance Measurement = YesDownloadable Data = Yes"