NB-IoT Ultrasonic Remote Water Meter
NB-IoT Ultrasonic Remote Water Meter Research data indicates that among ordinary residential water usage, about 75% of the flow rates are between (300-1500) L/h, which can be accurately measured by existing water meters. However, approximately 14% of the flow rates are below (3-18) L/h, which is currently a major area of negative measurement error. The … Read more