Updated: 2025-03-06 04:00 CET
| Date of start | Date of end | Instrument type | Instrument number | Note |
|---|---|---|---|---|
| 2004-01-01 | 2015-05-11 | Thermo Environmental Instruments (TEI), M42 | 18 | |
| 2015-05-13 | 2018-04-24 | Teledyne Advanced Pollution Instrumentation (TAPI), T200 | 94 | |
| 2018-04-25 | Teledyne Advanced Pollution Instrumentation (TAPI), T200UP | 117 |