Global Analyzer Systems has been a leader in emissions monitoring for 25 years. We ensure safe and sustainable air by bringing certainty to emissions measurement. Our new product line, Direct Optics, is designed to overcome market limitations by offering improved techniques for more precise measurement of trace gases. Our dual-channel CRDS-based analyzer offers unmatched speed and accuracy while directly and simultaneously measuring NO2–NOx–NO. Our patented PhoNO enables traditionally utilized technologies to measure True NO2, and our air sampler precisely captures pre-set or triggered pollution events. We are customer-focused solutions experts committed to improving the analysis of pollutants.