Principle    Transit-time ultrasonic flowmeter        Accuracy    ±1%        Display    2x20 character LCD with backlight, support the language of Chinese, English, Italy, Turkish        Signal output    1way 4-20mA output, electric resistance 0-1K, accuracy0.1%        1 way OCT pulse output(Pulse width-1000ms, default is 200ms))        1 way Relay output        Signal input    3 way 4-20mA input, accuracy 0.1%, acquisition signal such as temperature, press and liquid level        Connect the temperature transducer P100, can finish the heat/energy measurement.        Data Interface    Insulate Rs485 serial interface, upgrade the flowmeter software by computer, support the MODBUS.        Special Cable    Twisted-pair cable, generally, the length under 50 meters, select the Rs485, transmission distance can over 1000m                       Pipe Installation Condition    Pipe material    Steel, stainless steel, cast iron, copper, cement pipe, PVC, Aluminum, glass steel product, liner is allowed        Pipe diameter    25-6000mm        Straight pipe    Transducer installation should be satisfied: upstream10D, downstream5D, 30D from the pump.                                         Measuring Medium    Type of liquid    Single liquid can transmit sound wave; such as water (hot water ,chilled water, city water, sea water, waste water, etc); sewage with small particle con tent, oil(curde oil, lubricating oil, diesel oil, fuel oil, etc); chemicals(alcohol, etc); plant effluent; beverage; Ultra-pure liquids, etc        Temperature    -30-160& 8451;        Turbidity    No more than 10000ppm and less bubble        Flow rate    0-±7m/s        Temperature    Convertor; -20-60& 8451;; Flow Transducer: -30-160& 8451;        Humidity    Convertor: 855RH; Flow Transducer: can measure under water, water depth≤2m        Working Environment    Temperature    Convertor; -20-60& 8451;; Flow Transducer: -30-160& 8451;        Humidity    Convertor: 855RH; Flow Transducer: can measure under water, water depth≤2m        Power Supply    DC8-36V or AC85-264V(Optional)        Power Consumption    1.