CO2 Sensor Range: Choosing ppm or Percent Measurement
Choose a CO2 measurement range around the concentrations and decisions that matter. Compare ppm and percent units, accuracy intervals, overrange behavior and sampling conditions.
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CO2 Sensor vs VOC Sensor: Direct CO2, eCO2 and TVOC Explained
Compare direct CO2 measurement with VOC signals, eCO2 estimates and TVOC outputs. Learn what each channel measures and how to verify an air quality monitor.
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How to Read a CO2 Monitor Accuracy Specification
Read CO2 monitor accuracy specifications correctly: calculate ppm plus percent of reading, distinguish full-scale error and resolution, and compare operating conditions.
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