Measuring devices

Accuracy

XRe-SE data logger

±0.15˚C from 10˚C to 40˚C; ±0.3˚C from −25 to 85˚C

PCE-SPM solar radiation meter

±10 W/m² or ±5% (more accuracy in highest value)

CEM DT-172 temperature and humidity data logger

Temp ±1˚C and Humid ±2%

Testo-425 hot wire thermal anemometer

±(0.03 m/s)