1. Payment Methods: Payment use IC card prepaid, when arrears automatic power-off.
2. Power-off Alarm: When electronic shortage, remind users to buy electricity timely
3. Display: 5digit nixie tube display the remaining electric quantity and accumulative total power consumption in turns
4. IC Card Type: Contact card(4442 card) OR Low frequency card(T5557)
5. Overload Alarm: When the user average power exceeds the preset value for more than one minute, the electricity meter will automatically stop power supply.
It will resume power supply automatically 5 minutes later.
6. Strongly Encryption: By using the encryption card and dynamic encryption algorithm, system data can not be decrypted
7. Temporary Overdraft Electricity: When users run out electricity and cannot purchase the electronic timely, Management staff can insert temporary overdraft electricity card, energy meter will restore. Overdraft electricity consumption can be set.
8. Power Supply Mode: Three-phase four-wire power supply
9. Vending Electricity System: Single-phase three-phase prepaid share a set of vending electricity system
|Frequency||50Hz, accuracy 0.1Hz|
|Accuracy||Class 1.0, Class 2.0|
|6400, 3200, 2400, 1600, 1200, 800, 400, 200|
|Clock Accuracy||≤ 0.5s/Day (Refer to the temperature of 23 centigrade)|
|Power Consumption||≤ 1W/phase|
|Lifetime||≥ 10 years;|
The clock working time will be≥ 5 years even powered off