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 ...

The DTH35 Digital Psychrometer w/Enthalpy is used to help technicians measure temperature, relative humidity, wet bulb temperature, dew point, and enthalpy. The design makes in-duct measurement ...

Psychrometer: An instrument, consisting of wet and dry thermometers, that measures humidity. Humidity is calculated from the temp difference between the dry and evaporation-cooled wet thermometers.

It's been quite humid in the Brazos Valley over the last week, but how might you measure that humidity from home? We have a fun activity that you can do with everyday items. Now bear with me here, but ...

An HVAC technician must measure water temperatures, as well as dry bulb and wet bulb temperatures of air. For example, you may have to measure the entering and leaving temperatures for a coil - both ...

You may have noticed that humidity (the amount of water vapor in the air) makes a difference in how comfortable you feel outside. When the humidity is high in the summer we say it is "muggy." When it ...

My high school had a weather station on the roof so earth-science students could make measurements each morning. We climbed up a ladder in the janitor's closet, went through a hatch and out onto the ...

This resource is suitable for weather topics for primary school learners. Have you ever felt hot and sweaty even when you haven't done any exercise? That might be because of humidity. But what is ...