The MD9070 is a professional digital multimeter & insulation tester which unlike some overpriced units will measure to 25 Gig Ohm at half their cost!. CAT4/600V and TRMS this digital meter has a dual display, multi output test voltage 50-1000V, fuse and overload protection, and a multitude of handy features
METREL MD9070 Insulation Tester & DMM
TRMS measurement;
Insulation resistance measurement;
Earth continuity measurement;
Resistance measurement;
Diode test;
Mains supply frequency measurement;
Frequency of digital signals measurement