Homemade vortex flow meter 
Monday, November 5, 2012, 22:08 - Vortex Flow meter
Posted by Administrator
I have a selfbuilt ventilation system in my house, including a selfmade heat exchanger.

Of course I'm interesting to measure efficiency of the system, so I added temperature and humidity sensors to it and even realized a function that it only ventilates when the outside humidity is low enough to avoid condensation at cool walls.

But are the in- and outlet ventilators running at the same flowrate?
How big is the pressure drop of the piping and the corresponding reduced flowrate? Read More...
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