DT830 digital multimeter is three and a half LCD mini digital multimeter ‎.‎ It can measure AC and DC and AC voltage ‎,‎ DC current ‎,‎ resistance‎,‎ capacitance ‎,‎ transistors value ‎,‎ the diode turn‎-on voltage and short circuit ‎,‎ etc‎.‎‎,‎ the band consists of a rotary switch to change the measurement function and range ‎,‎ a total of 30 stalls ‎.‎The multimeter maximum display value 1999‎,‎ can automatically display the ‎"‎0‎"‎ and polarity ‎,‎ overload display ‎"‎1‎"‎ or ‎"‎‎-1‎"‎ ‎,‎ when the battery voltage is too low to display ‎"‎‎"‎ symbol ‎,‎Two ‎.‎ Technical characteristics1 ‎.‎ Measurement RangeAC and DC voltage ‎(‎ AC frequency of 45Hz ~ 500Hz‎)‎‎;‎Ranges are 200mV‎,‎ 2V‎,‎ 20V and 1000 five‎-speed ‎,‎ DC accuracy of ‎(‎0.8% +2 word reading ‎)‎ below the AC accuracy of ‎(‎1% +5 word reading ‎)‎ ‎;‎Input impedance‎,‎ DC file for 10M‎,‎ exchange files to 10M‎,‎ 100PF‎.‎AC and DC currentsRange were 200A‎,‎ 2mA‎,‎ 200mA and 10A five‎-speed DC accuracy ‎(‎1.2% +2 word reading ‎)‎ ‎,‎ AC accuracy of ‎(‎2.0% +5 word reading ‎)‎ ‎,‎ the maximum load voltage of 250mV ‎(‎ AC RMS ‎)‎ ‎.‎resistance‎:‎Ranges are ‎:‎ 200‎,‎ 2k‎,‎ 200k‎,‎ 20M and 20M six files‎.‎ Accuracy is ‎(‎2.0% +3 word reading ‎)‎ ‎.‎diode conduction voltage‎:‎Range is 0 ~ 1.5V‎,‎ the test current is 1mA 0.5 mA‎.‎transistor value detection ‎:‎Test conditions ‎:‎ VCE= 2.8V‎,‎ IB= 10A‎.‎short circuit detection ‎:‎Test circuit resistance