... quick response high qualityStationary ultrasonic wave flowmeter ultrasonic flow meter ItemsPerformance / indexMainengineBacklit LCD display shows instantaneous flow and accumulated flow ,flowrate, time etc.PrincipleLow voltage, multi ... , seawater, sewage, PH liquid, oils and other liquids capable of ultrasonic wave propagationTemperature:-10~150Turbidity:≤10000 ppmDirection: Positive and negative to ...