Sensit HCN is and advanced state-of-the-art gas analyzer capable of measuring and warning of hazardous levels of hydrogen cyanide (HCN). This investigative style instrument allows fire fighters to analyze the environment in smoldering areas prior to overhaul operations. The powerful internal pump and cooling probe provide accurate readings in the most grueling operating conditions. An optional CO sensor can be installed to provide the best information prior to removing SCBA’s. Instrument has alarm levels through audio and visual warnings. A data save feature allows instant “snapshots” of the gas concentrations in the area to be uploaded to PC or infrared printer for permanent records.