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...

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

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...

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 ...

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