Buy in Bulk and Save Money!
When you purchase your psychrometer kits in quantity, your whole class can participate in monitoring the weather and you save money in the process. Each kit includes two vinyl-backed alcohol thermometers mounted on heavy plastic handles, with a single wick and rubber band. A vapor pressure/humidity chart and 6"handle are included with both the single kit and class set. Temperature range: -40°C to +50°C. Size: 6 1/2"L x 3/4"W.