Features: Intelligent dual core measurement data processing. 10000 count analog bar plus digital double display. 1KHz true rms measurement. High-speed measurement of voltage / resistance / capacitance, VFC variable frequency voltage measurement function, fuse open automatic alarm function. The pen is inserted into the anti-burning alarm function, and the active passive horn speaker test function. With load test: 5V / 9V battery voltage, NCV non-contact detection voltage. Automatic identification of diode & on-off, contact-type single-table pen identification of live line, AC voltage and current frequency test. Automatically detect the ambient temperature and humidity values and simulate the LCR professional capacitance test. Automatic AC + DC composite test voltage, misoperation anti-burn logic protection prompt. Specifications: Condition:100% Brand New Color: As shown in the picture fundamental function Model DM100 range resolution ratio Accuracy range DC V 0-999.9mV/9.999V/99.99V/999.9V 0.1mV/1mV/10mV/100mV ± ( 1.2%+ 3 ) AC V 0 - 999.9mV/9.999V/99.99V/750V 0.1mV/1mV/10mV/100mV ± ( 1.5% + 3 ) DC 0 - 99.99mA/99.99mA/600mA/10.00A 0.1mA/0.01mA/0.1mA/10mA ± ( 1.0% + 3 ) AC 0- 99.99mA/600m/10.00A 0.01mA/0.1m/10mA ± ( 1.0% + 3 ) resistance 0 - 999.9 Ohm 0.1 Ohm ± ( 0.8% + 3 ) 0 - 9.999k Ohm /99.99k Ohm /999.9k Ohm 1 Ohm /10 Ohm /100 Ohm ± ( 0.8% + 3 ) 0 - 9.999M Ohm /99.99M Ohm 1k Ohm /10k Ohm ± ( 1.2% + 5) capacitance 0 - 9.999nF/99.99nF/999.9nF 0.001nF/0.01nF/0.1nF ± ( 4.0% + 3 ) 0 - 9.999uF/99.99uF/999.9uF 1nF/10nF/100nF ± ( 4.0% + 3 ) 0 - 9.999uF 1nF ± ( 4.0% + 0) diode 0.15v-3v forward dc current is about 1mA; Open circuit voltage: about 3.2v Continuity Buzzer 0~100 ohm resistance <15 ohm, built-in buzzer continuous sound and accompanied by a long green indicator light, the measured resistance is between 15 ohm and 30 ohm, the buzzer intermittent alarm green indicator. characteristic function D isplay count 10000 count OSD VA screen back display analog bar + digital dual display environment temperature 0℃~60℃ 0.1℃ ± 2 ° C environment humidity 20-95% 1% ±5.0% RH Battery measurement 0~ 1.5v (discharge current about 40mA) 0~9V (discharge current about 20mA) Buzzer detection 2kHz/2.7kHz/3V (can detect active or passive small horn buzzer) true virtual value 1kHz A C frequency measurement Measure AC voltage and display current voltage frequency value High speed sampling Sampling rate 10 times/second V.F.C Frequency conversion voltage measurement, frequency response: true RMS of 40hz-400hz (VFC: 2KHz attenuation -3dB) The fuse alarm FUSE is prompted on the screen after the 600m/10A current protection ratio FUSE and buzzer alarm Insert the wrong alarm Misplug anti-burn alarm can effectively prevent the instrument from burning out due to the misoperation of current transmission. When misplug, LUSE will be displayed and the alarm will beep data-hold yes Flashlight yes auto power-off Automatic shutdown without operation for about 15 minutes NCV Non-contact ac voltage detection (induction pen function) LIVE Single-meter pen contact fire line identification input impedance 10M Ohm overload protection Less than 250V full range overload protection Undervoltage prompt Lower than 2.4 V product size 185*85*40mm/7.3*3.3*1.6in battery 2 * DC1.5VAA (Not included) security level CAT IV 600V/CATIl1000V weight Approx. 500g Package List: 1*Multimeter (excluding battery) 2*Test Cable 1*Instruction