Research Article
Experimental Study of Thermal Effect of Lacquer Coating for PV-Trombe Wall System Combined with Phase Change Material in Summer
Table 3
Uncertainty of sensors at test conditions.
| Copper-constantan thermocouples: temperature | ±0.5°C |
| Pyranometer | Secondary standard (global irradiance on the south wall surface) | Output voltage: | 1% of | Output current: | 1% of |
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