Prepayment Energy Meter
Prepayment energy meter, or prepaid energy meter, IC card energy meter, is a kind of energy meter which is used to measure and control the power consumption in an electrical network. It has regular measuring functions as other energy meters. Its feature is that the user of prepaid meter has to prepay the money before using the power. As a new type of energy meter, it is widely used in domestic and industrial applications for adjusting the power load, commercializing electricity and easy charging of the electricity bill.