Economy Sling Psychrometer Kit, Easy to assemble kit to determine relative humidity., Pack of 15

Details:

The 7-piece Sling Psychrometer Kit contains: (1) dry bulb thermometer (6.5"L), (1) wet bulb thermometer (6.5"L), (1) wooden handle (5"), (1) cloth sleeve, (1) screw, (2) rubber bands, (1) instruction guide The apparatus is easily assembled by attaching the two thermometers to the end of the handle and placing the moistened cloth sleeve over the wet bulb Once assembled the user swings the apparatus for 30 seconds then records the temperatures on both the wet-bulb and dry-bulb Relative humidity and dew point are determined by comparing the temperature difference between wet and dry bulb readings against the included psychrometric charts The interactive, hands-on Sling Psychrometer promotes student understanding of meteorology and weather