Analyzarar gas ta jini tana nufin kayan aiki wanda ke amfani da abubuwan da zasu auna - PHCON matsa lamba na Oxygen (PCO2) da kuma matsin lamba na oxygen (PO2) da matsanancin matsin lamba na oxygen (PC22) da kuma m matsa lamba na oxygen (PO2) a cikin artery na ɗan gajeren lokaci.