Item Type: Multimeter Material: ABS Display: 1999 (3 1/2) LCD Display Polarity: Automatically Display "-" Polarity Zeroing Adjustment: Automatic Zeroing Adjustment Function Over-Range Indication: "1" or "-1" "OL" or "-OL" is displayed at the highest position, and the rest of the strokes are not displayed Sampling Rate: About 3 times/sec Power Aupply: 9V Battery (NEDA160/6F22) or Equivalent (Battery Not Included) Working Environment: 0-40, Temperature 75%RH Storage Environment: -10-50, Temperature80%RH Technical ParameterRangeAccuracyResolution DC Voltage (DCV)200mV(0.5%+3)100V 2V1mV 20V10mV 200V100mV 1000V(1.0%+5)1V AC Voltage (ACV)200mV(1.2%+3)100V 2V(0.8%+5)10mV 20V100mV 200V100mV 700V(1.0%+5)1V DC Current (DCA)2A(2%+3)10nA 2mA(1%+3) (1.5%+5)1A 20mA10A 200mA100A 20A(2.5%+5)10mA AC Current (ACA)2mA(1.2%+5)1A 20mA(2.0%+5)10A 200mA100A 20A(3.0%+10)10mA Resistance ()200(1.0%+10)0.1 2K(0.8%+3)1 20k10 200K100 2M1K 20M(1.2%+8)10K 200M(5.0%+10)100K Capacitance (F)2nF 1pF 20nF(4.0%+5)10pF 200nF100pF 2F1nF 200F100nF 2000F 1F FrequencyRangeAccuracyResolutionSensitivity 200kHz(1.5%+10)100Hz100mV effective value 20MHz(0.5%+40)1Hz2V effective value Temperature-40-400(1.5%+10)1 400-1000(1.5%+40) RangeDescriptionTest Conditions Buzzer (Diode)Display the measured diode forward voltage dropThe forward DC current is about 1mA, the reverse DC voltage is about 3V The buzzer in the machine will sound when the measured resistance is about