The working principle of smart meters

Smart meters are the electric meter fast-growing category, the user holds the traditional smart meter IC card payment to purchase the electricity sector, the electricity sector

with the sale of electricity purchased power management unit will write IC card, IC card users hold the brush in the non-sensing area contactless IC card (referred to

credit card, the same below)

, You can switch power supply, power supply after the card away. When the remaining battery power is equal to the alarm, wind up off the alarm (or buzzer alarm), then

the user card in the induction area to restore power; when the remaining power is zero, the automatic wind up power, the user must

Power purchase card payment again before they can restore electricity. The new Electric energy meter in order to achieve the bank and network power supply, the user can open

the window via the power companies, cooperative banks, third-party organizations and networks consignment electric power purchase, a great convenience for users.