In article , Broadback writes:
| I have a Gardena Water computer, the instructions say it works with a
| minimum dynamic operating pressure of 1 bar. What sort of pressure do
| you get from a water butt, say mounted a foot above ground level and 1/3
| full? It would be nice to use it while away, as I am now on a water
| meter I can just see a problem occurring while away and water streaming
| out!

1 bar is approximately one atmosphere is approximately 14 psi is
approximately 30 feet head of water. 0.06 bar. Forget it.


Regards,
Nick Maclaren.