Precision, stability, and portability To monitor global emissions, you need a gas analyzer that meets rigorous requirements for accuracy, precision, and stability. LI-COR Trace Gas Analyzers add new dimensions to your trace gas research and monitoring. They provide the same exceptional performance in the lab, in the field, or on the move for CO2, CO2 Isotopologue , NH3, CH4, and N2O measurements. Precise, stable, and portable, with low power and low maintenance requirements, LI-COR Trace Gas Analyzers are rugged and reliable enough for the most extreme and remote locations, even at high altitudes. All at an unmatched price for the precision and stability you receive. Go wherever your research takes you.