Thermometers & Rain Gauges

Galileo Thermometer - 24" High

This fascinating and functional instrument was designed in the 16th century by Galileo Galilei, who discovered that as a liquid’s temperature increases, its buoyancy decreases. Each glass sph... More.

Waterfall Rain Gauge

Accurately measure up to 5" of backyard rainfall. Large digits, clear measurement lines, and a vibrant red floating rain level marker to ensure accurate readings, even from a distance. Mounts o... More.

Acurite® Temperature and Humidity Monitor

Displays not only the current indoor temperature and humidity, but also the daily highs and lows for both. House icon indicates the indoor comfort level by displaying Low, High, or OK. Temperature ... More.

Classroom Season Thermometer

Gr. 1+ Colorful primary classroom thermometer has an adjustable band that shows the temperature rising and falling. Colorful pictorials relate the seasons to the temperature helping students... More.

Psychrometer Kit - Individual Kit

Kit includes a sling psychrometer with wet bulb, wick, and rubber band; and dry bulb thermometers that rotate on a plastic handle. No mercury filling. More.

Indoor/Outdoor Giant Round Thermometer

Large-display thermometer with 12" dia. is great for classrooms. The large numbers let you read temperatures from a distance. Range: -40° to 140° Fahrenheit outside and -4... More.

Psychrometer Kit - Set of 15 Kits

Kits include a sling psychrometer with wet bulb, wick, and rubber band; and dry bulb thermometers that rotate on a plastic handle. No mercury filling. More.

Student Season Thermometer Set

Gr. 1+ Set of 10 measuring 2" x 10" each. Measures from -10° F to 126° F in 2° F increments on the left and 5° F increments on the right. More.

Demonstration Thermometer

Waterproof plastic, 24" x 5-3/4" thermometer indicates both Fahrenheit (-40° F to 212° F) and Celsius (-40° C to 100° C). Body temperature and the boiling an... More.

Thermometer Set

Set of 10. 2-1/2" W x 10" H. More.