How much does it cost for smart water meters for large supermarkets? What are the brands of large-diameter water meters with prepaid fees?What is the price of a large-diameter prepaid water meter? What are the specifications of a multi card swipe water meter with one meter? What is the working principle of large-diameter prepaid water meters?
Large caliber prepaid water meter (nominal diameter 40mm~300mm), hereinafter referred to as "large caliber prepaid water meter", is a water metering instrument with settlement function composed of a nominal diameter 40mm~300mm rotor wet cold water meter with a signaling device as the measuring base meter, an RF card as the information carrier, and a control box and an electric control valve installed.