I found this at our forum.
J question whether the area 214 or 240 cm2
I’ll be more on the subject in 2010. Did the calibration raingauge Davis Vantage Pro 2 I count all the newly found and that your calibration and instructions were not very inaccurate. Begin by order. We know that the engagement surface raingauge Davis 240 cm2 precisely 240.52 cm2. First, calculate the how much should be “ml” of water to reach 1 mm of precipitation relative to the catchment area of 240.52 square centimeters. Radius receiving area raingauge is 8.75 cm, so we’ll have some v
kalibrace.pdf (230 KB)