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The Picarro G2301 gas concentration analyzer provides simultaneous, precise measurement of carbon dioxide (CO2), methane (CH4) at parts-per-billion (ppb) and water (H2O) vapor at parts-per-million (ppm) sensitivity with negligible drift for atmospheric science, air quality, and emissions quantification. It meets the World Meteorological Organization (WMO) and Integrated Carbon Observation System (ICOS) performance requirements for CO2 and CH4 atmospheric monitoring. Simultaneous and continuous measurement of three atmospheric trace gasesParts-per-billion sensitivity, precision, and accuracy with exceptionally low driftCompliant with WMO and ICOS international ambient atmospheric monitoring requirementsWater correction automatically reports dry gas mole fractionsPrecision at 5 seconds and 5 minutes is |