Product Name: Ultrasonic Meters Direct Reading Prepayment Flow Water Meter Model NO.: Ultrasonic Water Meter Work Environment: Dry Water Meter Medium Pressure: General Water Meter Principle: Speed of Water Meter Application: Civil Nominal Diameter: 15-50mm Counter Instructions: Digital and Analogue Level Measurement: B Medium Temperature: Cold Water Install: Horizontal Material: Brass Temperature: T50 Trademark: iAMR Transport Package: Standard Export Packing Origin: Shenzhen HS Code: 9028201000 Product Description Ultrasonic Water MeterIt is an advanced and highly accurate ultrasonic water meter. With no moving parts, used for measurement of cold water consumption for residential applications.The ultrasonic water measurement is based on the transit time method, and all measurements, references, readings, calculations and data communication is controlled by an advanced specially designed electronics circuit.The meter has no moving parts, presents an IP68 register, and with big and full information LCD, easy to read the data and see the alarms.Technical Specification of Smart Ultrasonic Water Meterparameter unitDatavalueNominal Diameler DN15 DN20 DN25 Start flow ratem3/h 0.0030.0030.005Qmin(Q1)m3/h 0.0100.0100.016Qtransitional(Q2)m3/h 0.0160.0160.025Qmax/permanent(Q3)m3/h 2.52.54.0Qoverload(Q4)m3/h 3.1253.1255.0Range ratio=Q3/Q1250250250Metrology accuracy2 class2 class2 classQ1-Q2 error<3%<3%<3%Q2-Q4 error2%2%2%Max working pressureMPa 1.6MPa 1.6MPa 1.6MPa Pressure loss KPa <25KPa <25KPa <25KPa temperature°C4°C-65°C4°C-65°C4°C-65°Chumidity range%RH<95<95<95channel lengthmm110130160maximum registration(LCD)M399999.999Min instant-flow reading(LCD)M3/h0.001Max instant-flow reading(LCD)M3/h9.999Smart functioncommunicationM-bus/impulse outputTemperature compensationYESMechanicschannel maternalbrass bodyWater & dust proofIP68thread patternmm33*2.30933*2.30933*2.309