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Get a high-quality gas analyzer from Grainger to help detect levels of invisible gases that may be present in indoor air. Measure indoor air quality with a handheld or wall-mounted carbon dioxide detector, oxygen analyzer kit or carbon monoxide meter. Some CO2 dataloggers detect and record CO2 levels, air temperature and humidity over a specified time period. Choose a durable, accurate gas analyzer at Grainger to help you get the job done.