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The ultrasonic valve control water meter is a new type of water meter that detects the time difference caused by changes in velocity when the ultrasonic sound beam propagates in the upstream and downstream of the water, analyzes and processes the flow rate, and further accumulates the volume of

The LoRaWAN wireless valve-controlled ultrasonic water meter is a new type ofintelligent all-electronic meter. It integrates measurement, display, valve controland LoRaWAN wireless communication and adopts micro-power technology toachieve accurate measurement with a minimum flow of 0.01 m3/hLoRaWAN