CD772 True RMS & Wide current     AC True RMS   3-3/4 digits 4000 count   Easy to read large LCD with Backlight   Large breaking capacity fuse 30kA   K-type thermocouple temperature measurement -20°C~300°C   Thermo plastic elastomer,high resistance against drop shock   Safety cap on current terminal   Data hold,Range hold,Relative function   Continuity check, Diode test   Auto power off function(30min.) Display: numeral display 4000 Sampling rate:3 times/sec AC frequency bandwidth:40~400Hz Safety:IEC61010-1(EN61010-1)2001-02 CAT.III 600V MAX./CAT.IIDC1000V