DC voltage: 200mV-2000mV-20V-200V-1000V [(0.5%+2dgt)]AC voltage: 200V-750V [(1.2%+10dgt)]DC current: 200uA-2000uA-20mA-200mA-10A [(1.0%+2dgt)]Resistance: 200-2000-20k-200k-2M [(0.8%+2dgt)]Diode: YesTransistor: YesPower supply: 6F22 9V batteryMaximum display: 1999Dimensions: 1267024mmWeight: 155gStandard accessories: Test leads, manual, warranty cardDear friends, please note: This product has no beeping function, reliable quality, please refer to the series manual for use.I. OverviewDT830 digital multimeter is a small digital multimeter with a three-and-a-half-digit LCD display. It can measure AC and DC voltage and DC current, resistance, transistor value, diode conduction voltage and circuit short circuit, etc. A rotary band switch changes the measurement function and range, with a total of 19 gears.The maximum display value of this multimeter is 1999, which can automatically display "0" and polarity, display "1" or "-1" when overloaded, and use the diode gear for short circuit inspection.II. Technical characteristics1. Measuring range AC and DC voltage (AC frequency is 45Hz~500Hz); DC range is 200mV, 2000mV, 20V, 200V and 1000V, AC range is 200V and 750V; DC accuracy is less than (0.8% of reading + 2 digits), AC accuracy is (1% of reading + 5 digits); input impedance, DC range is 10M, AC range is 10M, 100PF. DC currentThe range is 200A, 2000A, 20mA, 200mA and 10A, DC accuracy is (1.2% of reading + 2 digits), and the maximum voltage load is 250mV. Resistance:The range is 200, 2000, 20k, 200k, 2000k. The accuracy is (2.0% of the reading + 3 characters).Diode conduction voltage:The range is 0~1.5V, and the test current is 1mA0.5 mA.Transistor value detection:The test conditions are: VCE2.8V, IB10A.Short circuit detection:Test circuit resistance