Akozon AC Ammeter Voltmeter Digital LED Three-Phase AC Ammeter Voltmeter Programmable Amp Volt Meter True RMS Measurement-Black-

Specification: Color: White, Black (Optional) Package Weight: Approx. 377g/13.3oz Parameter--Performance Signal input--Voltage--range--AC 57.7V/AC100V/AC220V/450V/AC600V Signal input--Voltage--overload--Duration: 1.2 times, instantaneous: 2 times/1S Signal input--Voltage--power--?1VA Signal input--Voltage--impedance--?380k? Signal input--Current--range--AC 10A/5A/1A Signal input--Current--overload--Duration: 1.2 times, instantaneous: 10 times/5S Signal input--Current--power --?1VA Signal input--Current--impedance--?20M? Signal input--Frequency--45-65Hz Auxiliary power supply?Linear power supply: AC 220V + 5%, power consumption < 3VA Switching power supply: AC/DC 85-265V or DC10-36V, power consumption < 3VA Relay output?One way or two output, contact capacity: 1A/220VAC, 1A/24VDC Analog output?DC 0~20mA, 4~20mA, 0~5V, 1~5V, 0~10V RS485 communication?Baud rate 2400~9600, data format N81, E81, O81, N82 Precision grade?Level 0.2 and level 0.5 Display mode?Digital display: three row, 4 bits, high brightness LED digital tube Environment?Working temperature: -10~55?; storage temperature: -20~75? Security?Insulation: signal, power, output terminal resistance to shell > 5M? Security?Withstand voltage: signal input, power supply, output > AC 2kV   Package list: 1 * AC Ammeter Voltmeter