Table 3 Specifications and limits of instruments.

From: Performance enhancement of solar air heater using V baffles

Instrument

Limits

Accuracy

Anemometer

0–35 m/s

± 0.05 m/s

Thermocouple wires

−200 to 1260 °C

± 1 °C

Temperature indicator

0–500 °C

± 1 °C

Sun meter

0–2500 W/m2

± 1 W/m2