CAI - Model 7000 FTIR -Fourier Transform Infrared (FTIR) Analyzer

The 7000 Series FTIR Analyzer delivers fast, accurate analysis of virtually any gas that has an infrared absorption spectrum. The 7000 Series FTIR is based on Fourier Transform Infra-red Spectroscopy. Nonsymmetrical gas phase molecules absorb IR light which in turn causes the molecular bonds to stretch, bend, or rotate. This absorption is used to measure and quantify several chemical components simultaneously. An IR source emits radiation in the range of 7500 to 375 cm-1. The IR radiation is split in a Michelson Interferometer where half of the light passes through to a fixed mirror and the other half is reflected towards a moving mirror.