A HORIZON MEASURING INSTRUMENT, A PORTABLE INSTRUMENT INCLUDING HORIZON MEASURING INSTRUMENT AND A PORTABLE INSTRUMENT PROTECTION COVER INCLUDING HORIZON MEASURING INSTRUMENT

摘要

One horizontality measure device, a portable electronic device of a protective shell having the same and for electronic device are provided to the ground of the scale of the horizontality for simply measuring an object or the container for being installed to horizontality measure device by one. Inside a horizontality measure device includes a container (120) receiving liquid (110), and the scale (130) formed on the outer surface of container is used to indicate to accommodate the horizontality of liquid in a reservoir. There are container a paths (140) to be used for the flowing of liquid, and wherein path is closed.