High precision AC mA measurement, it is useful for AC mA leakage current measurement. Measure AC mA on the inductive conductor. Design meet IEC 1010 CATIII 600V safety requirement. 4000 counts, auto range and multi-functions.Measurement for ACA, ACV, DCV, Ohms, Diode,Continuity beeper. True RMS measuring reading for ACV and ACA function. Two AC leakage current range : 40 mA, 400 mA . Two AC current range : 40 A, 120 A. Data hold. Relative measurement. Crystal time base, high quality. LCD display allows clear readout-out even at high ambient light level. LSI circuit provides high reliability and durability. LSI circuit provides high reliability and durability. Compact & heavy duty ABS housing fireproof plastic case.