Mason's Hygrometer (Red Liquid) -

Displays the temperature and humidity together on the one huge LCD display. It also has a min / max function (memory). Switch between C° and F°. Re...

Simultaneously monitors both temperature and humidity on an extra large 3-3/16 x 2-1/2" dual display which can be read from across a room. Monitor ...

Simultaneously displays internal and external temperature on a 81 x 63 mm LCD, large enough to be read across a room. Useful as an indoor/outdoor t...

Government organizations such as OSHA have set recommended heat stress limits for various activities. WBGT (Wet Bulb Globe Temperature) provides th...

Obtain fast and accurate humidity readings anywhere by comparing the reading of the wet and dry bulb thermometers on the enclosed humidity chart. E...