Why should water meter use batteries?
Most intelligent water meters need batteries, because the battery power supply is needed to control the switch of the electric valve of the water meter, so as to ensure that the water supply is not guaranteed and the water meter valve is opened after recharging.
Because of the use of intelligent water meters or remote data water meters, electrical energy is needed to transmit data signals
You use a smart meter bar, water meter is divided into two kinds, one is direct reading type, one is both direct reading and can send information, you may use the latter, the inquiry function needs power
