digital lcd display water flow sensor flowmeter rotameter temperature

1, the temperature the temperature display range is-99 -999. unit c is celsius and f is fahrenheit. temperature unit it can be switched on to the + key. 2, the use of time/flow display when there is water flow, it will automatically be displayed to the flow display, and when there is no water flow, the total time will be displayed. total time unit dag gives days, uur gives time, and time units can be switched off by long on the + key. temperature display use time/debut display paint wate