[Weather] conversion help

[Eric Vickery]

Not stainless but our Rain Gauge 
http://www.hobby-boards.com/catalog/product_info.php?products_id=81 resolves to 
.25mm (0.01")

Eric

Matthew Smith wrote:
> Matt wrote:
>>> I took down my rain gauge over the weekend and ran 2 liters of water through
>>> it.
>>> It registered 385 tips.
>>> The collection aperture is 5.5cm x 12.5cm
>>>
>>> So that 5.2 ml per tip for an area of 68.75cm
>>>
>>> How do I figure out how many mm rainfall 1 tip is ?
> 
> Jim replied:
>> 5.2 ml = 5.2 cm^3  / 68.75 cm^2 = 0.075 cm = 0.75 mm per tip
> 
> Which is pretty close to the 0.7mm that I get from my Lacrosse, which
> only registers every other tip.  I have verified my figures against an
> old, low-tech cylinder gauge.
> 
> Now, considering that this was supposed to be an Imperial (I belive that
> you call it "Traditional" in the USA) gauge, just what kind of figure is
> that?  1.5 points per tip?  (Assuming that it registers both ways.)
> 
> Can't say I'm that impressed with the Lacrosse stuff - they can't even
> come up with a UV-stable plastic.  (Possibly Canada doesn't have such a
> big ozone hole as we do in the Antipodes.)
> 
> Dear Santa, I would like a stainless steel, tipping bucket gauge that
> will resolve to 0.25mm...
> 
> Cheers
> 
> M
>