product
The ADL200-NK/WF single-phase prepaid watt-hour meter is used to measure single-phase AC active power with rated frequency of 50Hz. It has functions such as prepaid control, load control, time control and wifi communication.
Wireless Communication
● Support optional 2.4GHz WiFi comms.
● Standard 1-channel RS485 [MODBUS-RTU]
Built-in control function
● With built-in withholding magnetic relay
● Control the circuit not more than 60A AC
● Remote control via platform available
Diverse Electricity Parameters Measurement
● U (Voltage)
● I (Current)
● P (Power)
● Q (Reactive power)
● S (Apparent power)
● PF (Power factor)
● kWh (Kilowatt-hours)
● kVarh (Kilovar-hours)
Function
Function | Description |
Energy Metering | Active power (positive and negative),Reactive power (positive and negative) |
Electricity measurement | U、I,P、Q、S、PF、F |
LCD Display | 8-digit segment LCD display, backlight display |
Button Programming | 3 Key programmable communication and other parameters |
Pulse output | Active energy pulse output |
Multi-tariff (Optional) | Adapt 4 time zones, 2 time interval lists, 14 time interval by day and 4 tariff rates |
Communication | Communication interface: WIFI, Communication protocol: MQTT |
Technical Parameters
Paramters | Description | |
Input Voltage | Reference voltage | AC 220V |
Reference frequency | 50Hz | |
Power consumption | <10VA | |
Input Current | Input Current | 10A |
Maximum current | 80A | |
Starting current | 4‰Ib | |
Consumption | <4VA | |
Measurement performance | Accuracy of measuring | Class 1 |
Range of measuring | 000000.00~99999999kWh | |
Active pulse | Pulse width | 80±20ms |
Pulse constant | 1000imp/kWh | |
Communication | Interface | WIFI |
Connection mode | Shielded twisted pair conductors | |
Protocol | MQTT | |
Clock accuracy | Error≤0.5s/d |
Working Environment
Item | Description | |
Temperature range | Working Temperature | -25℃~55℃ |
Storage Temperature | -40℃~70℃ | |
Relative humidity | ≤95%(No condensation) | |
Altitude | <2000m |
Acrel Prepaid system is a system solution based on user side energy consumption measurement,analysis and charge as well as property inspection service.The whole solution includes independently developed and produced terminal meters, edge computing gateways and system software.
The system function mainly includes program management,device inspection,user monitoring,financial management,property management,system settings and so on.
It can conveniently realize the needs of the multi-project management of group users, the operation status supervision of terminal meters and edge gateways, the supervision of commercial tenants and public electricity consumption, energy charging and property management settings, etc.
It can also provide advanced function such as carrying out corresponding functional division and authority distribution for finance and engineering,or viewing operation logs,which is convenient for the property managment personnel to carry out the management work.