• Our Sling Psychrometer Kit is a simple hygrometer used in measuring the moisture content in the air. When spun around on their wooden handle, the wet bulb thermometer and the dry bulb thermometer will read different temperatures. This information can then be used to determine relative humidity and dew point. Instructions included.
• Includes two metal back thermometers range -30 to 110 C/ -20 TO 230 F.
• Easy to assemble and use

Our Sling Psychrometer Kit is a simple hygrometer used in measuring the moisture content in the air. When spun around on their wooden handle, the wet bulb thermometer and the dry bulb thermometer will read different temperatures. This information can then be used to determine relative humidity and dew point. Instructions included.