Table 1 Specifications and accuracy of instrument HD32.3.

From: Field study of thermal comfort of the elderly in tree-shaded areas of urban parks in the cold area of China

Measurement parameter

Range

Accuracy

Air Temperature

− 10 to 80 °C

± 0.2 °C

Relative Humidity

5 to 98%

± 2% (15–90%)

± 2.5% (Other ranges)

Wind speed

0.05 to 5 m/s

± 0.05 m/s (0–0.99 m/s)

± 0.15 m/s (1–5 m/s)

Globe Temperature

− 10 to 100 °C

± 0.2 °C

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