Re: Focus on pressure sensor unit, alarm and display
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Marcelo - Gordon, of?course, is right.?
If it isn't making sense to you perhaps very gently bubble some gas through a hose sitting deep in water in a bucket. As your raise and lower the tip of the hose in the bucket of water the hose pressure will have a pressure that will equal the cm of water that sit above the bubbling end of the hose.
If the end of the hose is gently bubbling you'll get a reasonably accurate pressure (if the flow rate is too hi you'll start getting artifacts) Erich Schulz,?mbbs, mba, fanzca 0410 277 408
There¡¯s no reason to make this difficult. The calls that I use to measure the temp at the same time and everything is corrected.
I already wrote this code once for Marcelo.
It¡¯s already in there.?
On Apr 15, 2020, at 18:47, Tom, wb6b <wb6b@...> wrote:
?On Wed, Apr 15, 2020 at 03:10 PM, Marcelo Varanda wrote:
getting 3 digits to a small pressure difference
Back in the posts someone discovered the temperature had to be read from the sensor each time before each of the pressure readings or else the pressure readings would not be accurate. Maybe something related to that? Tom, wb6b
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