Features 1、Digital universal meter, adopts a 1999 (3 1/2) digit display to display the measured value intuitively. 2、Using dual integral A/D converter as the core, full‑function overload protection, very safe and reliable. 3、It can measure AC and DC voltage/current, resistance, capacitance, temperature, frequency and other parameters. 4、Support diode forward voltage drop, over‑range prompt, and low battery voltage prompt. 5、Widely used in computer maintenance, electronic factories, mobile phone inspection, various circuit boards, home inspection. Specification 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℃, Temperature＜80%RH Technical Parameter Range Accuracy Resolution DC Voltage (DCV) 200mV ±(0.5%+3) 100μV 2V 1mV 20V 10mV 200V 100mV 1000V ±(1.0%+5) 1V AC Voltage (ACV) 200mV ±(1.2%+3) 100μV 2V ±(0.8%+5) 10mV 20V 100mV 200V 100mV 700V ±(1.0%+5) 1V DC Current (DCA) 2μA ±(2%+3) 10nA 2mA ±(1%+3) ±(1.5%+5) 1μA 20mA 10μA 200mA 100μA 20A ±(2.5%+5) 10mA AC Current (ACA) 2mA ±(1.2%+5) 1μA 20mA ±(2.0%+5) 10μA 200mA 100μA 20A ±(3.0%+10) 10mA Resistance (Ω) 200Ω ±(1.0%+10) 0.1Ω 2KΩ ±(0.8%+3) 1Ω 20kΩ 10Ω 200KΩ 100Ω 2MΩ 1KΩ 20MΩ ±(1.2%+8) 10KΩ 200MΩ ±(5.0%+10) 100KΩ Capacitance (F) 2nF 1pF 20nF ±(4.0%+5) 10pF 200nF 100pF 2μF 1nF 200μF 100nF 2000μF 1μF Frequency Range Accuracy Resolution Sensitivity 200kHz ±(1.5%+10) 100Hz 100mV effective value 20MHz ±(0.5%+40) 1Hz 2V effective value Temperature -40℃-400℃ ±(1.5%+10℃) 1℃ 400℃-1000℃ ±(1.5%+40℃) Range Description Test Conditions Buzzer (Diode) Display the measured diode forward voltage drop The 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 <70Ω Open circuit voltage is 3V Range Description Test Conditions hFE Can measure the hFE parameters of NPN or PNP transistors (0-1000) Base current 10μA, Vce is about 2.8V Diode/Continuity Test Support Automatic Shutdown Support True Rms Measurement Support Frequency (Hz) Support Full Unit Symbols Support Product Size Approx. 187x88x35mm / 7.4x3.5x1.4in Weight Approx. 423g / 14.9oz Package List 1 x Multimeter (Battery Not Included) 2 x Test Lead