Megger MFT1721 Multifunction Electrical Installation Tester - MFT1721

The Megger MFT1721 Multifunction Tester is the most popular of the range of 17th Edition testers providing CAT IV, quick and dependable results for 2 and 3-wire non-trip loop testing, auto RCD testing and adding phase rotation, 3-phase RCD testing with no earth and current measurement with the optional clamp. Adjustable continuity and insulation resistance buzzer threshold. The MFT1721 now features an additional 100 V insulation test range, true RMS voltage measurement, mV sensor input and Type B RCD testing. Large, bright LCD screen display and supplied in a robust moulded case.

• Insulation testing at 1 kV, 500 V, 250 V and 100 V
• 2 & 3-wire non-trip loop impedance testing
• Fast 2-wire high current loop test with Phase To Phase L-L 50~500V
• Simple colour-coded test selector switch
• LCD Display
• Continuity and low Ws at 200 and 15 mA
• Full range of RCD tests from 10 mA to 1000 mA
• Selective, variable, type B and 3-phase RCD (no neutral) testing.
• True RMS voltage measurement and phase rotation
• IP54 Rated
• Adjustable buzzer threshold