0
Who invented the first hygrometer?
A hygrometer is important because it shows the humidity of the atmosphere. For a hygrometer to work though it has to placed outside.
THE HYGROMETER IS A INSTRUMENT USED TO MEASURE HUMDITY.
Hold the hygrometer in the air for a couple of seconds. Be sure not to touch the back of the hygrometer. Check to see where the pointer is pointing.
Hygrometer use for measure humidity and temperature.