| Concept URI | http://dd.eionet.europa.eu/vocabulary/aq/measurementmethod/PID |
|---|---|
| Preferred label | Photo Ionization Detection (PID) |
| Definition | A PID uses an ultraviolet (UV) light source to break down VOCs in the air into positive and negative ions. The PID then detects or measures the charge of the ionized gas, with the charge being a function of the concentration of VOCs in the air. |
| Notation | PID |
| Status | Valid |
| Status Modified | 2024-09-24 |
| Accepted Date | 2024-09-24 |
| Not Accepted Date |
European Environment Agency
Kgs. Nytorv 6, DK-1050 Copenhagen K, Denmark