Quote:
Originally Posted by AC_Hacker
I went back to find this post, because it had mostly passed without comment.
I think Steve is absolutely right in saying that "Safety circuits should never rely on software".
-AC
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Professional systems pressure switches with hysteresis are used. Adjustable or fixed connected in series with compressor.
Here is an example:
http://www.emersonclimate.com/europe...PS3__35003.pdf
http://www.emersonclimate.com/europe...N_PS1-2_TB.pdf
On e-bay some:
alco ps3 | eBay
Measuring temperature and conclude to pressure from temp is no-go if safety is a concern.
T.