... bar 21 sect., unit, function symbol complete; 3, 50 kinds of measuring function, With basicly DCV, ACV, DCA, ACA, Ω, CAP, ... 16, Set upper limit, lower limit area measuring; 17, photoelectricity insulation RS-232 computer interface; 18, Timing measuring function; 19, AC ... and AC+DC function, can measuring the accuracy virtual value of AC by any wave.Basic functionRangeAccuracyDCV80mV/800mV/8V/80V/800V ...