Dew point can be calculated using the air temperature and a relative humidity value, which is measured using something called a sling psychrometer. A psychrometer is a metal rod, around 6 inches long, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

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 ...

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 ...

I've been a fan of Oregon Scientific for years, and have a handful of their products with remote sensors. One of my sensors appeared to be reporting fairly inaccurate humidity, so I figured it was ...