First test section
Cross-sectional dimension	0.8m×0.8m×1.6m
Flow velocity range	0.4～70 m/s
Flow field homogeneity	≤1%(10m/s～50m/s)
Flow field stability	≤0.5%（10 m/s～50 m/s）；≤1%(≥50 m/s)
Airflow drift angle	vertical direction,horizontal direction ≤1°
Airflow velocity	0.5%
Axial static pressure gradient	≤0.005

Second test section(Wind speed @10 m/s)
Cross-sectional dimension	1.3m×1.3m×2.5m
Flow velocity range	0.2～27m/s
Flow field homogeneity	≤1%
Flow field stability	≤0.5%
Airflow drift angle	vertical direction,horizontal direction ≤1°
Airflow velocity	/
Axial static pressure gradient	≤0.005

Specification
Working environment	Temperature 0～40℃， Humidity 5～90% RH，barometric pressure 500～1060 hPa
System dimension	Wind tunnel:18.75×8.05×2.75m(Without holder),control console:2.80×0.92×1.25m

Specification
Measuring range	0~7500Pa
Resolution	0.01Pa
Differential pressure measuring accuracy	0.01%FS
Differential pressure calibration validity	1 year

Specification
Dial resolution	1°
Dial circular rotation range	-360°,+360°
Dial circular rotation angle control accuracy	≤1°
Dial circular rotation control resolution	≤0.2°
Zero-positioning device position error	≤0.5°