Peacefair PZEM-004T Upgraded AC Communication Module 100A Multifunction Digital Power Monitor Meter Voltmeter Ammeter Wi

1111MicrosoftInternetExplorer402DocumentNotSpecified7 8 磅Normal0Specification FunctionMeasuring RangeStarting Measure Current PowerResolutionMeasurement AccuracyDisplay FormatVoltage80 260V 0 1V0 50 Current0 100A0 02A0 001A0 50 Active power0 23kW0 4W0 1W0 50 1000W it display one decimal such as 999 9W ≥1000W it display only integer such as 1000WPower factor0 00 1 00 0 011 Frequency45Hz 65Hz 0 1Hz0 50 Active energy0 250000 kWh 1Wh0 50 110kWh the display unit is Wh 1kWh 1000Wh such as 9999Wh ≥10kWh the display unit is kWh such as 9999 99kWhOver power alarmActive power threshold can be set when the measured active power exceeds the threshold it can alarmCommunication interfaceRS485 interfaceSizeLength width height 73 7 30 13 6mm Bare pager Power SupplyThe power supply of single phase power frequency network supplies power to the main circuit through resistance capacitance step down TTL output communication interface and Main circuit optocoupler isolation for passive output External power is required for communicationWorking temperature 20°C 60°C Features 1 Features an AC DC digital power supply solution providing better anti interference performance and stable operation 2 The wide level communication scheme is compatible with both 3 3V and 5V serial communication systems 3 Incorporates a digital isolation chip solution ensuring more stable communication than traditional optocoupler designs 4 Delivers high precision measurements and a fast resp