⭕ EST Analytical Centurion purge and trap autosampler with EST Analytical Encon purge and trap concentrator. Less than 3 years old. The Centurion is controlled using the included XENARC 700 Series 7 VGA touch-screen monitor, keyboard, and mouse, as pictured. It also comes with two standard addition vials, a rinse water reservoir and the cables. Clean condition and everything works as it should. Can do shipping or collection. It has the capacity to feed a single concentrator or two, and toggle between these two options. Multiple custom sampling programs can be used during the same sampling sequence. It has a 100 sample vial capacity, so either 100 for one concentrator or 50 for each.