Table 2 Technical specifications of the used devices.

From: Improving solar PV performance under bird-dropping conditions with a dual-cooling approach

Thermocouple

Type

K-Type

Range

0–125 ℃

Infrared thermal imager

Model

Uti 260B

 

Temperature range

-15 ~ 550 ℃

 

IR resolution

× 192 pixels

Solar power meter

Type

TM-207

Resolution

1 W/m2

Accuracy

± 10 W/m2

Digital environmental meter

Model

UT333

Relative humidity range

0-100%

Accuracy

± 0.1%

Temperature range

0–60 ℃

Accuracy

± 1%

Multimeter

Type

BM822A

DC Voltage range

400 Mv-600 V

Accuracy

± 1%

DC Current range

400–600 A

Accuracy

± 2%