Main functions and features of prepaid energy meters
1. Pre-paid energy meter standard IC card hardware encrypted pre-charge. The power supply department sells the electricity charge in advance by selling the electricity card (IC card). Users buy it before using it.
2. The pre-paid watt-hour meter integrates various functions such as fully digital metering, power display, pre-paid control, card reading, and smart anti-theft power, with extremely high reliability.
3. Overload protection. If the load exceeds the setting **-a large current continues for a period of time, the power supply circuit is cut off, and the digital tube flashes an alarm symbol. The energy meter will automatically close after a delay.
4. The power IC card is multi-encrypted by software and hardware to completely ensure the data is accurate, reliable and reliable. After special design, the power consumption IC card records the remaining power and accumulated power of the meter when the user inserts the card, and whether there is any information about power stealing.
5. Perfect bayonet protection circuit can effectively prevent various malicious attacks on bayonet.
6. Display the remaining power, the display digits are 6 digits (5 integers, 1 decimal place).
7. The remaining power of the pre-paid watt-hour meter reaches the pre-alarm power. The remaining power on the digital tube flashes to remind the user to enter a new purchased power.
8. When the remaining power in the energy meter is zero, the energy meter automatically trips and interrupts the power supply. At this time, the user must hold the electricity purchase card to the electricity sales department to purchase electricity. You can use a certain limit of power), and you can use a power purchase card with valid power to insert it into the meter before power can be supplied normally.
9. The power owed reaches a certain value, and the power is automatically cut off. After entering the new power purchase amount (deducted the overdraft power amount), the power supply is automatically restored.
10. The application of magnetic latching relays, on the one hand, improves the reliability of the power-off action, reduces the power consumption after the power-off action, and also overcomes the problem of contact sticking when the relay is under high current for a long time.
11. When the pre-paid energy meter loses power, the data is automatically saved. The Hechi pre-paid energy meter automatically restores data after a call.
Shandong University of Science and Technology Zhongtian Electronics Co., Ltd. specializes in the production and sales of pre-paid energy meters , multi-user energy meters, electronic meters, apartment ** meters, high-current centralized meters. Small size, low power consumption, low installation cost, Easy management.
Consulting Tel: 18953875675 Website: http://hnzxsygs.com/