Hygrometers

$29.99
Gardeners, weather watchers, and bird lovers will all enjoy this outdoor thermometer/humidity monitor. The face of its class...

$42.95
This quality instrument is designed to monitor both temperature and humidity, while featuring the important relationship betw...

$24.00
Know your greenhouse climate. See current indoor/outdoor temperatures and indoor humidity at a glance. Big, bold, 1" LCD n...

$9.95
Temperature and humidity are the two most important climate readings you need to monitor to keep your greenhouse performing a...

$19.95
Ensure your plants get off to the best start with this essential, real-time information. Mount this meter on the outside of y...

$19.95
With a push of a button, the min./max. display will indicate the highest and lowest levels of temperature and humidity. Range...