Extech CO210 Air Quality Carbon Dioxide Data Logger

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About This Monitors carbon dioxide (CO₂) in the range of 0–9,999 ppm with indoor air quality indication (Good, Normal, Poor) Logs CO₂, air temperature (–10 to 60 °C / 14 to 140 °F) , and relative humidity (0.1–99.9 %) Memory capacity for thousands of data points—up to 5,333 entries per measured parameter Includes automatic baseline calibration (over 7.5 days minimum CO₂) and manual calibration options Equipped with visible and audible CO₂ alarms, Min/Max recall, date/time display, along with AC adapter, USB/software package, and user manual Show more