Tender For supply of in-situ probe type on line co, sox, nox, co2 flue gas analyser with accessories for unit iv of ttps note:1. prospective bidders may get the specification free of cost by downloading from the following websites.tangedco www.tangedco.gov.innic https://tntenders.gov.intender opening (electronically):o/o the superintending engineer/p&a/ttps tuticorin. (executive engineer/sp/ttps)