Figure 1: Diagram of SMEAR I measurements setup (click diagram for a larger image)
Table. Instrumentation of the SMEAR I-station
| Parameter | Device | Measurement heigth | |
| Weather | dry temperature | Rotronic MP100H | 2, 4, 6.6, 9, 15 m |
| wet temperature | Rotronic MP100H | 2, 4, 6.6, 9, 15 m | |
| wind speed | Delta-TAN1 | 2, 4, 6.6, 9, 15 m | |
| wind speed | Thies 2D | 16 m | |
| wind direction | Thies 2D | 16 m | |
| PAR (photosynthetically active radiation) | Li-Cor LI-190SB | 16 m | |
| global radiation | Middleton Solar SK08 | 16 m | |
| UVA | Solar Light 501A UVA | 16 m | |
| UVB | Solar Light 501A SUV | 16 m | |
| air pressure | Druck DPI 260 | ||
| visibility | Biral VF500 visibility sensor | 2 m | |
| precipitation | Thies Laser Precipitation Monitor | 2 m | |
| rainfall | Delta-T RG1 | 1.5 m | |
| soil temperature | Pt-100 | 0 m | |
| Aerosols | total concentration | CPC TSI 3022 | 9 m |
| size distribution | DMA / CPC TSI 3025 | 2 m | |
| size distribution | DMA / CPC TSI 3010 | 2 m | |
| Trace gases | ozone | Thermo Electron corp. 49i | 2, 6.6, 9, 15 m |
| sulphur dioxide | Thermo Electron corp. 43i-TLE | 2, 6.6, 9, 15 m | |
| total oxides of nitrogen | Thermo Electron corp. 42i-TL | 2, 6.6, 9, 15 m | |
| Scots pines | photosynthesis | chamber measuremets | appr. 10 m |
| CO2-exchange | URAS 3G analysator | appr. 10 m | |
| H2O | URAS 3G analysator | appr. 10 m | |
| PAR | Li-Cor LI-190SB | appr. 10 m | |
| temperature | thermoelement Cu Ko | appr. 10 m | |
| growth in thickness | solartron sensors | several heigths | |
| growth in length | caliper | appr. 10 m |
