There are three common ways of creating moisture for humidity control in test chambers. Let’s review they types and the benefits and limitations of each. Type 1: “Steam Generator” - A steam generator is a tank with an immersion heater. As the water in the tank is heated, steam rises up a tube to the chamber’s mixing plenum (where the main heaters and cooling coil are). The chamber, based on humidity demand, controls the output of the heater.
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