Ultrasonic Water Level Sensor Range: 5~70 meters Accuracy:0.25~0 ... CE,ISO69001 Approved Sample,OEM is available Ultrasonic Water Level Sensor Specifications: FunctionsIntegrative TypeSegregated TypeLevel RangeEconomic Type: 5M, 10M, ... alarm display, algorithm selection.English language display: Level measurement, distance measurement, transmission value, ambient temperature, echo state, alarm display, ...