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• I meant a bit more than 0.2mm Sent from my iPhone www.meteokareh.com
Message 1 of 5 , May 30, 2012

I meant a bit more than 0.2mm

Sent from my iPhone

On 30 May 2012, at 04:00 PM, Josephkareh <josephkareh@...> wrote:

Hi this is fine. Since the tip is a bit more than 2

Sent from my iPhone

On 30 May 2012, at 03:29 PM, "ibangkok24" <ibangkok24@...> wrote:

I just do what you said, I got 2.5mm for that 10 tips.

--- In wuhu_software_group@yahoogroups.com, Josephkareh <josephkareh@...> wrote:
>
> Hi,
> Well the basic setup of the ws2811 rain gauge
> Is 0.2mm per tip. Try to poor water slowly in it untill you hear exactly 10 tips
> Wait 5min then you have to read a total of 2mm
>
> Thanks
>
> Sent from my iPhone
> www.meteokareh.com
>
> On 30 May 2012, at 01:34 PM, "ibangkok24" <ibangkok24@...> wrote:
>
> > I have a La Crosse WS-2811 system, which I think the rain gauge is measured only half of the precipitation amount.
> >
> > Today it rain from 16:52 to 17:23, in that time I use a measuring cup that have a diameter of 6.2 cm. (3.1 cm. radius) to collect the rain. I have 40 ml in the measuring cup, but La Crosse said rain fall amount is 7.87 mm.
> >
> > So I do the calculation,
> >
> > rain fall amount (cm) = Volume(ml) / (3.14 * radius(cm) * radius (cm))
> > rain fall amount (cm) = 40 / (3.14*3.1*3.1)
> > rain fall amount (cm) = 1.32558
> > rain fall amount (mm) = 1.32558 * 10 = 13.26
> >
> > Am I correct with the calculation? If so I can tweak the WUHU to report the correct amount.
> >
> > Regards,
> >
> >
> >
> >
> >
> >
> >
>

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