Table 2 Specification of weather data logger.

From: Experimental analysis of elevated temperature and soiling loss on the rooftop PV modules performance under composite climatic conditions

Parameter

Instrument Used

Uncertainty

Global horizontal Irradiance (GHI)

EKO Pyranometer (MS-60)

±0.8%

Air Temperature

T-type Thermocouple

± 0.5 °C

Module temperature

k-type Thermocouple

± 0.5 °C

Wind speed

Davis Instruments Anemometer (Model 6410)

±1.8 m/s

Humidity

Data logger

Davis Instruments (SHT) sensor

Unilog Pro (PPI) ~ 16 Ch.

±3%

± 0.25- ±0.5

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