Dual stage means that the Itc-308 can control both a heating and cooling device. Alternatively, it can control a heating or a cooling device. This controller displays in Fahrenheit and Centigrade. Dual Display shows both measured and set temperature.
Use to control fermentation or kegerator temperatures. I have a similar (although not identical) controller from Inkbird. The base unit is the same (ITC-308), the temperature sensors are different. Check out my [Hands on Review] of that unit.
Update: Since this post was published the price, availability or promotion has changed. Check the product page for up to the minute description, price and availability.
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