Machine-smoking parameters used by Trtchounian1 in a lab-built device
| Smoking properties | e-cigarettes | Conventional cigarettes |
|---|---|---|
| Pump speed | 250±0 to 725±40 rpm | 250±0 rpm |
| Vacuum | 25±3 to 153±12 mm H2O | 30±3 to 80±5 mm H2O |
| Aerosol density | 0.1±0.1 to 0.5±0.2 | 0.2±0.1 to 0.9±0.4 |