... flow and accumulated flow ,flowrate, time etc.PrincipleLow voltage, multi-pulseAccuracy1.0% InputFive electric current signals input (temperature, pressure ... materialsSteel, stainless steel, cast iron, current pipe, copper, PVC, aluminum, glass steelIntern diameter20mm ... 150Turbidity:≤10000 ppmDirection: Positive and negative to calculateFlow rate:0 ~ ±32 m/sOperating conditionTemperatureMain engine: ...