YB5140DM Multi Function AC Ampere Meter Voltmeter 0~20A Digital Display 60~500V Frequency Multifunctional

Specification:Wroking Temperature:-10~50Working Humidity:10~80%Working Air Pressure:80~106kPaNo Direct Sunlight Features: Electrical parameters measurement: AC voltage, current, active power, frequency, power factor, electrical energy;six in one. Power -clearing mode: -clearing, automatic -clearing. Display type: LCD display, blue back;One screen multi-display, "7 kinds of display modes" is optional. Blue backlight brightness adjustable: high light, low light, not bright. The built-in button of the watch head can calibrate the voltage, current error and other options by itself. Display value update speed optional: fast, standard, slow, suitable for different working environment. Display accuracy can be set:3-bit,4-bit;Applicable to different requirements, power-down data storage function. The AC voltage, current, power and electric energy are all designed by automatic shift of decimal point. Instrument with a back cover, more safe to use, more convenient, more secure. Simple connection of instrument: no need to connect the power supply.Current testing requires no additional purchase of transformer or shunt.