Ultrasonic Water Level Sensor UE Series Explore-Proof Power supply: 220V AC-24 VDC Accuracy:0.25~0.5%F.S RS485,CE Approve Ultrasonic Water Level Sensor UE Series Specifications: FunctionsIntegrative TypeSegregated ... temperature, echo state, alarm display, algorithm selection.English language display: Level measurement, distance measurement, transmission value, ambient temperature, echo state, alarm ...