Re: [Amps] Getting rid of blower noise - an alternate coolingscheme using the phase transition of liquid carbon dioxide

[Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>]

If you order your liquid CO2 cylinder with a dip tube, you gte liquid CO2 
without having to have the cylinder upside down.
As said, you need to watch the CO2 concentration. We used dip tube CO2 
cylinders at work for cooling ICs in small thermal chambers, and started 
finding that on occasion, we could start getting very dopy because the 
concentration got too high. Working practices got changed immediately!
73
Peter G3RZP
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