Welcome to California Analytical Instruments - the most trusted name in gas analysis. CAI produces the highest-quality gas an ... alyzers and emission-monitoring systems for Industrial, Environmental, Process and Automotive applications. To meet the needs of the emerging air quality market, California Analytical Instruments was founded by Pete Furton in 1981. From the very beginning, CAI’s mission has been to develop innovative gas analyzer products and systems that will meet the needs of our customers for years to come. Our objective is to deliver the highest level of customer service and satisfaction in the continuous emissions monitoring industry. Our analyzers utilize proven technologies such as Chemiluminescence, Non-Dispersive Infrared (NDIR), Flame Ionization Detection (FID), Paramagnetic, Photoacoustic Infrared Spectroscopy (PAS) and Fourier Transform Infrared (FTIR) for consistent, accurate measurement of virtually any gas. With 30,000 analyzers in the field – and thousands of customers – CAI is uniquely equipped to deliver optimal solutions for a variety of analytical needs, including yours. Contact us today. read more