AC Digital Ampere Meter Voltmeter, 0~20A 60~500V LCD Multi Function Active Power Frequency Electrical Energy Guage,6 in 1 4Digits Power Monitor Panel

Features: 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 supplyent testing requires no additional purchase of transformer or shunt. Specification: Wroking Temperature:-10~50℃ Working Humidity:10~80% Working Air Pressure:80~106kPa No Direct SunlightPackage List: 1*Multi-funtion MeterNote: 1 different computers display colors differently, the color of the actual item may vary slightly from the above images. 2 middle two terminals are the input and the left and right terminals are the output. 3 not use when there is high frequency voltage. Main Menu Setting Option 1-CU :Calibrate Voltage Error     2-CA :Calibrate Current Error     3-SP :Setting Refresh Rate F:Quick  S:Standard  L:Low 4-En Power Setting     Acc:Continous Automatic Adding Up                     REA: Power off and power on, when the output connected to the load and generated electricity, the electric energy flash zero and re-accumulation;If there is no load, do not clear the zero               CLE: Manual power clearing F-dS:Display Digit Setting     3:Voltage Current Frequency Power Factor 3 Digits               4:Voltage Current Frequency Power Factor 4 Digits