29-09-2017, 14:51
(29-09-2017, 11:44)JT118 Wrote: You are correct set it to "1". If your Weatherduino software is set correctly to reflect the calibration of the gauge then all other multipliers should be 1.
See here for rain gauge calibration:
http://www.meteocercal.info/forum/Thread...her?page=2
Sorry to say, but that info is not correct.
No matter the settings you did on the TX software, whenever we are using a rain gauge with a tip bucket different from 0.2mm, we should always set a multiplier on Cumulus
I already have explained the reason for this on many, many posts on the forum.
Cumulus counts number of tips, and for him each tip is always 0.2mm. Cumulus get this info at startup from the station, and our emulation always report a as metric Davis (0.2mm rain gauge). Hope this makes things clear.
Lets try to illustrate this with an example for a 0.254 rain gauge:
Cumulus gets info about one "tip" of rain:
Situation with a multiplier of 1:
1 * 0.20 *1 = 0.20mm of rain (wrong value)
1* 0.20 * 1.27 = 0.254mm of rain (right value)