G7's default calibration gas setpoints
September 16, 2019
G7's calibration gas set points can be customized from the configuration profile on Blackline Live. The following article outlines the default calibration gases for each sensor that Blackline uses.
| Gas sensor | Default calibration gas setting |
| Hydrogen sulfide (H2S) | 25ppm |
| Lower explosive limit (LEL) | 50%LEL |
| Oxygen (O2) | 18.0%vol |
| Carbon monoxide (CO) | 100ppm |
| Carbon dioxide (CO2) | 5000ppm |
| Ammonia (NH3) | 50ppm |
| Chlorine (Cl2) | 5ppm |
| Sulfur dioxide (SO2) | 10ppm |
| Photoionization detector (PID) |
100ppm (isobutylene) |
| Hydrogen cyanide (HCN) |
10ppm |
| Hydrogen (H2) |
20000ppm |
| Chlorine dioxide (ClO2) |
1.2ppm |
| Ozone (O3) |
0.8ppm |
| Nitrogen dioxide (NO2) |
10ppm |
