... accuracy true RMS Auto range, CE RS-232 interface VC8145 4 7/8 bench top digital multimeter DMM 80000 digit Feature ... ,ACA,Ω,CAP,Hz,TEMP,diode and Continuity measuring function etc;4,Frequency measuring can rearch 80MHz;5,Standard function generator:18 ... limit,lower limit area measuring;17,photoelectricity insulation RS-232 computer interface;18,Timing measuring function;19,AC measuring adopt High ...