The Industrial models include listed add-on features that allow the addition of the below detailed options often required in certain production environments. Hazardous environments that include explosive gas, acid and corrosive liquids are not particularly threatened by the installation of the Scalewatcher® technology, but certain industrial precautions require that an extra measure of safety be implimented to adhere to compliance protocols. While most these items are self-explanatory, you may call to inquire about details not otherwise outlined.