Table 2 Instrument parameter table.

From: Microclimate-driven strategies for thermally comfortable university open spaces in cold regions of China

Instrument

Measuring range

Measurement accuracy

Work environment

Noise detector (noise0501)

30–120 db

± 0.5 db

Air temperature  − 40 to + 60%

Relative humidity: 25–90%

Wind speed detector (wind0501)

0.2–10 m/s

± 0.02 m/s

− 10 to + 50 °C

Black ball temperature/humidity detector

Illumination: 0–65,535 lx

Humidity: − 40 to + 125 °C

Black ball: − 10 to + 85 °C

Humidity: ± 0.3 °C, ± 2%RH

Black ball: ± 0.5 °C

–

Bolometer (JT2020)

Global radiation 0–2 KW/m2

± 5%W/m2

–

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