Large jaw clamp for AC leakage & load current measurements Pinpoints leakage currents in single or 3 phase systems caused by poor insulation or modern electronic filters without powering down the installation or disconnecting protective earth conductors Auto backlit 6000 count display with bargraph 40mm diameter conductor jaw capacity 400Hz Frequency response and 100Hz low pass filter mode Auto, data and peak HOLD CATIII 300V safety rating