Classroom pack of 15 Sling Psychrometer Kits are easily assembled by attaching the two thermometers to the end of the handle and placing the moisture cloth over the wet bulb. Once assembled the user can swing the apparatus and then read the difference in temperature between the wet-bulb and dry-bulb to determine the relative humidity and dew points using the included psychrometric charts found in the instruction guide.

Contents:

(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