The Pressure Port minimizes dynamic pressure errors due to wind.
Ambient wind of 20 meters per second blowing over a typical barometer inlet tube can cause pressure errors as high as 3 hPa. The Pressure Port minimizes these errors.
Specifications
Dynamic Pressure Error: 0.5 hPa maximum @ 20 m/s
Dimensions: 11.5 cm (4.5 in) H x 13 cm (5.1 in) Dia.
Mounting: Offset bracket with U-bolt for 25 - 50 mm (1-2 in) pipe
Weight: 0.2 kg (0.5 lb)
Shipping Weight: 0.8 kg (1.8 lb)