<a href="http://www.wirelessmartsystems.com/water-meter/">Water Meter suppliers</a> Ultrasonic water meter has the characteristic of high accuracy, high stability, no mechanical transmission parts, no flow blocking components, no pressure loss, build in battery for power supply, no initial flow rate, with multiple output signals, can realize centralized management of water resources, etc. It is almost unaffected by the water quality. It is suitable for agricultural irrigation, township water supply, urban water supply, smart city construction etc. Product Size We have brass body and plastic body. DN SizeL (mm)W (mm)H (mm) DN 151659580 DN 201959580 DN 252359580 DN SizeL (mm)W (mm)H (mm) DN 151109584 DN 201309590 DN 251509590 Product Details Techinical Parameters CaliberDN15DN20DN25 Minimum Flow, L/h235 Overload Flow (Q4), m3/h3.1255.07.875 Maximum Flow, m3/h4612 Common flow Q3, m3/h2.54.06.3 Accuracy grade2.0 Working pressure鈮?1. 6MPa Working environmentTemperature: 15 ~ 55 鈩? Humidity: 鈮?95% Temperature classT30 and T50 are optional Electromagnetic environmentE1 Communication modeLorawan/NB-IOT Communication protocolEN1434, CJ188 are optional Range ratioR160, R200, R250, R400, R800 are optional Working power supply3.6 V Disposable lithium battery KeyMagnetic induction button ScreenLCD 7 digits Display Range0 m鲁 ~ +99999.999 m鲁 / 999999.99 m3 Instantaneous flow0 m鲁 ~ +99.999/99.99 m鲁 Historical dataCumulative volume data on the monthly settlement day of the past 24 months ButtonMechanical button, touch button, and optical buttons are optional ValveOptional valve controlWater Meter suppliers website:http://www.wirelessmartsystems.com/water-meter/