Fluke 1651B 17th Edition Testers Extra functionality, faster testing, and as rugged as ever. Fluke 1651B: The everyday tester, for every electrical installer. The everyday tester ideal for the domestic covering all the basic needs for testing to the 17th Edition wiring regs / Part P of the building regulations. The new 1650B Series builds on the rugged reputation of the earlier 1650 Series, only its re-designed to meet your need for more productive test tools. This new series contain the following new features: * Fast high current loop test * Variable RCD current mode for customized settings * PASS/FAIL indication for RCD tests * FLUKE-1651 with 250 V insulation test voltage (250 V, 500 V and 1000 V) * Select voltage measurement between L-N, L-PE and N-PE * Zero adapter for easy test lead compensation, available as new accessory and also included with standard scope of supply