The multi-user smart meter is a new type of prepaid electricity meter, which can be used by 39 single-phase or 13 three-phase users at the same time. It uses high-frequency radio frequency cards as the link for data transmission. The M1 card has no contact, anti-attack, The advantages of large capacity, good encryption, stable data transmission and long service life. The meter can also be connected via RS485, 500 meters can share a card reader, users do not need to use the meter to swipe the card after purchasing electricity, and can automatically copy the electricity consumption information of each household at any time, which is convenient for the management department to count the electricity consumption of each month in time. It is an ideal product for electricity metering and control of enterprises and institutions, urban residential communities, student apartments, old building meter reformation, and high-rise buildings.

Adopting high-power and high-quality magnetic sticking relay, strong over-current ability, flexible and reliable control. Using high-frequency M1 radio frequency card, high data transmission stability, non-contact contact, strong anti-attack. Prepayment function, household metering, household control, high precision, stable performance and long service life. It can measure and control the electricity consumption of 39 single-phase or 13 three-phase users at the same time. The same meter can provide three-phase electricity output or single phase energy meter output at the same time.