Preliminary comparison of Barani MeteoWind IoT Pro, WS80 Ecowitt, WS68 Ecowitt from the past 7 days. The tests also include the WS90 obtained from Ecowitt. At the moment I can say that the gusts of wind and average speed are the same as for the WS80. The rainfall from the touch rain gauge is overstated compared to the tray rain gauge. Additional calibration is required and I will do it in days. Soon I will publish more detailed data from the WittBoy which I received as part of the collaboration.
In my opinion, ultrasonic anemometers catch higher gusts of wind. Both Barani MeteoWind and WS68 have lower values. It should be borne in mind that the Barani anemometers are a class above Davis and meet the requirements of WMO, NWS, MEASNET. The WS68 from Ecowitt is a fairly weak anemometer, it has a very low sensitivity to the Barani wind vane. In low wind conditions, Barani Wind shows values similar to ultrasound. Then the WS68 often does not rotate, because it has quite a large inertia and shows 0 km / h, or very low values. As the wind speed increases, the discrepancy between the cup and ultrasonic anemometers increases.
He observes the nearby posts of the Institute of Meteorology and Water Management and the gusts of wind are often analogous or similar to those at PSHM stations, if we take into account the data from WS80 / 90.
I'm now waiting for more extreme weather conditions. Especially stormy ones, because that's when even professional ultrasonic anemometers have a problem with the correct measurement of the wind, when it rains heavily and blows strongly.
