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LGR develops, manufactures, and sells portable gas analyzers based on our patented cavity-enhanced laser-absorption technology. These analyzers allow you to accurately measure gas concentrations and isotope ratios for many applications including environmental monitoring, process control, and atmospheric sensing.

Gas Analyzers These Analyzers provide measurements of gas concentrations and isotopic ratios using the latest cavity-enhanced laser absorption technology. Now you can make measurements in the field with the accuracy, precision, and sensitivity generally associated with expensive laboratory-based instrumentation. Moreover, our instruments report measurements quickly and over a wide range of concentrations. Fast Methane Analyzer Methane / Carbon Dioxide Analyzer Methane Isotope Analyzer High-Accuracy CO2 Analyzer CO2 Isotope Analyzer Water-Vapor Isotope Analyzer Liquid-Water Isotope Analyzer CRD Mirrors/Components We offer the largest stock of ultrahigh-reflectivity mirrors, industry-standard mirror mounts, and high-quality measurement cells for cavity-ringdown setups. Our easy-to-use, LabVIEWTM-based ringdown-analysis software completes a suite of tools that enable state-of-the-art cavity-ringdown measurements. What's New Measuring CH4 & CO< The Methane/Carbon Dioxide< Fast Acetylene Sensor LGR’s Off-Axis ICOS instrument Free Lease