Crown Urn Depth Chart

[twizt1d]

hey guys,
i have never really been a fan of getting an accurate volume reading by the sight glass and its a real pain in the ass to mark so i thought id make a chart up
can use it to mark a dip stick or just use a steel ruler
i used the numbers floating around and just dodgied it up in excel (first 6 litres = 78mm every 1 litre after that 11mm) and turned it into an image so you dont need excel to open it
hopefully it helps someone and saves the frustration i had with trying to work out volumes

now to print it out and bang it on the wall next to the urn..

cheers,
tones

 

[ashley_leask]

Very handy, thanks a lot!

 

[Spork]

Legend!
Thx mate.

 

[WarmBeer]

Something to note, water (well, fluids in general) expands with temperature, up to boiling point.

I have a similar table for my (non-Crown) urn, with Volume vs Depth at 3 distinct temperatures: 20 C (room temp), 65 C (mash temp) and 100 C (boil temp).

If your initial measurements are taken with room temperature water, you need to include approximately 2% expansion at 65 degrees, and 4% expansion at 100 C. This is a simplification of the model, but works well enough for most homebrewer's needs.