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Carbon dioxide

Use CO2 as a ventilation and occupancy context signal, not as a complete indoor-air-quality diagnosis.

01Record instrument and units
02Document placement and stabilization
03Use a control or reference
04Repeat under comparable conditions
DEEP GUIDES

Use the full method.

Measurement guide

Carbon dioxide: measurement, placement and interpretation limits

Use CO2 as a ventilation and occupancy context signal, not as a complete indoor-air-quality diagnosis. This guide separates the measured quantity from inference, explains setup and identifies when qualified measurement is required.

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