ATEX and cUL certified analyzer measures O2 concentrations from 0.05% to 100%. Features certification to ATEX Directive 94/9/EC and cUL designed exclusively for Natural Gas applications. This analyzer features an advanced galvanic oxygen sensor, a 36 month operating life, menu driven controls, two (2) field selectable alarm set points, and a stainless steel sample system. Pictured with the optional A-3393 modular sample system designed to remove moderate amounts of free liquids and H2S from natural gas streams