... measuring function High accuracy true RMS Auto range, CE RS-232 interface VC8145 4 7/8 bench dual display digital multimeter DMM ... ,DCA,ACA,Ω,CAP,Hz,TEMP,diode and Continuity measuring function etc;4,Frequency measuring can rearch 80MHz;5,Standard function ... interface;18,Timing measuring function;19,AC measuring adopt High accuracy RMS,Widely measuring and AC+DC function,can measuring the accuracy ...