The Tetra multigas instrument monitors from one to four gases, with a single button that controls all functions. It is water and dust resistant to IP65, floats in water and is UL, CSA and ATEX approved for use in hazardous areas. Two versions of the unit are available, including a rechargeable unit using lithium-ion batteries for 12 hours operation from one charge, and a version powered by three conventional AA alkaline batteries. The monitor can be specified with an optional built-in electric sampling pump or used with a separate manual aspirator.
May 11, 2004