Cerex Monitoring Solutions manufactures Real Time Multi-gas Analyzers for Continuous Emission Monitoring, Ambient Air Monitoring, Industrial Hygiene Monitoring, Open Path Air Monitoring, Process Monitoring and Control and Hazmat First Response utilizing core FTIR, UVDOAS and Tunable Diode Laser technologies. Providing simple, proven, effective, air, process and stack gas analyzer systems for industry, government and the community. Cerex FTIR and UVDOAS systems have the unique capability to perform multi-species gas quantification within a single instrument. Cerex’s roots began in 1994 when the company began to develop and manufacture one of the first Open Path FTIR remote sensing systems. Since that time, many of the concepts of absorption spectroscopy have been applied and developed into instrumentation solutions deployed worldwide.