Gases

Indicative gas readings from four MQ-series sensors (MQ-135 air quality, MQ-7 CO, MQ-131 O3, MQ-137 NH3), part of the same Smart Air Pollutant Detector. Fields 1–4 are approximate concentrations; fields 5–8 are the raw sensor resistance ratios (Rs/R0). Va

Field 1 Chart
Field 2 Chart
Field 3 Chart
Field 4 Chart
Field 5 Chart
Field 6 Chart
Field 7 Chart
Field 8 Chart
Channel Location