... 232 interface VC8145 4 7/8Bench-Type DMM test bench DMM 80000 digit Feature:1,Large LCD,High ... DCV,ACV,DCA,ACA,Ω,CAP,Hz,TEMP,diode and Continuity measuring function etc;4,Frequency measuring can ... 99% Duty cycle,1800 pcs wave output;6,Single analyzed:(AC+DC) measuring synchronous,(AC+Hz) measuring ... AC measuring adopt High accuracy RMS,Widely measuring and AC+DC function,can measuring the accuracy virtual ...