Table 5.
Measured standard deviation for ultralow power ambient sensor configuration for three set CO2 concentrations at 1 and 3 mJ per measurement.
Set Concentration (ppm) | Energy per Measurement (mJ) | |
---|---|---|
| ||
1 | 3 | |
| ||
St Dev (ppm (±%)) | ||
450 | 18 (±2.0%) | 18 (±2.0%) |
900 | 40 (±2.2%) | 25 (±1.4%) |
1500 | 78 (±2.6%) | 32 (±1.1%) |