A what? A sling psychrometer is a difficult word for a very simple tool. It dates back to the 1700s and is actually still used today! If it ain’t broke, don’t fix it. A Sling Psychrometer is a simple ...

An e-mail from Herman asks about an instrument using thermometers to determine humidity and wants to know what it is. It's called a sling psychrometer and consists of two thermometers fastened onto a ...

An e-mail from Gary recalls an instrument using thermometers to determine humidity and wants to know what it is. It's called a sling Psychrometer and consists of two thermometers which are fastened ...

JELINEK'S psychrometer tables are among the best known of the many humidity tables in use on the Continent. Originally prepared by Jelinek from the earlier tables of Regnault and Wild, the work has ...

Designed to take accurate measurements of humidity and temperature from the most difficult to reach places is the DP-110 in-duct digital psychrometer. The 6-inch flex neck allows technicians to ...

COLD AND WET: When humid interior air contacts colder surfaces, condensation can occur. The blackened roof sheathing in this photo shows signs of moisture damage and is frosting near the fiberglass ...