Pass-by noise system

Speed

100Hz, 0.1 m/s

Distance

100Hz, Max error 3cm in 40m from trigger

Sound

Class 1 sound meter IEC 616721:2002: Precision sound level meter

RPM

1 RPM

Vantage Vue Weather Station

Air temp

+/- 0.5c

Wind speed

1m/s or +/-5% whichever is greater

Barometric pressure

+/- 1hPa

Humidity

+/- 4%

Surface temperature

Surface temp

+/- 0.5c