DM Series gas dryers combine the selectivity of Nafion gas dryers with the simplicity of desiccant canister dryers. These units remove only water vapour from a gas stream, leaving other components unaffected. They can remove water vapour from a flowing gas stream for hours. They can be recharged in moments by simply replacing the desiccant and can be reused repeatedly. The units dry continuously with no moving parts, and no electricity is required. They are corrosion resistant and can process almost any gas. The gaseous sample flowing through the dryer comes in contact only with Nafion tubing. This very selectively absorbs water vapour from the gas while quantitatively retaining the remaining sample components in the gas stream.

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