Spec

• AT Digital CO2 and O2 Checker
• You can see the concentration of carbon dioxide and oxygen in real time.　
• It can be used widely for environmental measurements, changes in carbon dioxide levels during photosynthesis, and comparisons of exhaled oxygen and carbon dioxide levels.
• Even students can handle it easily because it is a simple operation. ・Carbon dioxide and oxygen can be measured simultaneously.
• Set contents: 1 main unit, AC adapter, dedicated case
• Specifications and measurement gases: CO2, O2
• Measurement method
• CO2: fixed electrolytic sensor, O2: galvanic sensor
• Measuring range
• CO2: 0.04% to 5.00%, O2: 0.0% to 30.0%
• Measurement accuracy
• CO2: +/- 30% rdg, O2: +/- 5% FS
• Resolution
• CO2: 0.01%, O2: 0.1%
• Calibration function
• CO2: outside air corrected as 0.04%, O2: outside air corrected as 20.9%
• Usage Environment
• - 10 ~ 50 degrees C, 90% Rh or less
• Show
• Digital Display (%)
• Power
• 4 AA batteries (sold separately) AC adapter (included)
• Battery life
• Approx. 20 hours (when using alkaline batteries)
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