Function	Function description	Function provide
Measurement of kWh	Single-phase active kWh (positive and negative)，3 months historical energy data frozen storage	■
Measurement of electrical parameters	Voltage, Current, Active power, Reactive power, Apparent power, Power factor and Frequency	■
LCD Display	8 bits section LCD display	■
Key programming	3 keys to set parameters like code, address, baud rate, multi-tariff and communication protocol	■
Pulse output	Active energy pulse output	■
Multi-tariff	Adapt 4 time zones, 2 time interval lists, 14 time interval by day and 4 tariff rates	□F
Communication	Communication interface: RS485, Communication protocol: MODBUS-RTU	■

Input voltage	Reference voltage	AC 220V
	Reference frequency	50Hz
	Power consumption	<10VA
Input current	Basic current	10A
	Maximum current	60A
	Starting current	4‰Ib
	Consumption	<4VA
Measurement performance	Accuracy of measuring	1 class
Measurement performance	Range of measuring	000000.00~99999999kWh
Clock accuracy		Error≤0.5s/d
Active pulse	Pulse width	80±20ms
Active pulse	Pulse constant	1000imp/kWh
Communicati on	Interface	WIFI,RS485(A+、B-)
	Connection mode	Shielded twisted pair conductors
	Protocol	MQTT, MODBUS-RTU

ADL200-NK/WF Single Phase Wifi Prepayment Electricity Meter

Specifications of ADL200-NK/WF Single Phase Wifi Prepayment Electricity Meter