E Instruments International, LLC 402 Middletown Blvd., Suite 216 , Langhorne , Pennsylvania 19047 USA premium About Solutions products applications industries Publications videos articles Latest news Downloads Companies E Instruments International, LLC Videos E8500 Plus Introductory - Video E8500 Plus Introductory - Video 0 Share Introducing the new E8500 Plus Combustion Flue Gas and Emissions Analyzer. Customer comments No comments were found for E8500 Plus Introductory - Video. Be the first to comment! Add your comment Publish your comment Great! comment successfully added!