humidity calculator slide tool
Humidity Calculator Pocket Slide Tool

This tool is used to calculate humidity using wet and dry bulb temperatures in Celsius or Fahrenheit. This guide is simple to use, just line up the wet and dry bulb temperatures and read the relative humidity percentage in the window. On the back side is a guide for recommended humidities for specific applications. This item is made of thick cardboard stock with metal corner rivets and measures 7 inches long by 2 inches wide.