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Measurement instruments.
| Parameters | Instruments | Accuracy |
|---|---|---|
| Air temperature Relative humidity | TR-72Ui temperature and humidity meter | ±0.3 °C |
| ±5% | ||
| Global temperature | TR-102 black globe temperature meter | ±0.2 °C |
| Air velocity | VELOCICALC-8347 air velocity meter | ±3% |
| CO2 concentration | TSI-8762 indoor air quality meter | ±3% |
| Water flow rate | LWGYS-C flow meter | ±1% |
| Water temperature | Pt100 thermometer | ±0.15 °C |
| Panel surface temperature | Pt100 thermometer (surface mount type) | ±0.15 °C |
