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Could a water flow sensor sense gas flow?

PAFMElb

Mar 20, 2017
11
Joined
Mar 20, 2017
Messages
11
My answer is YES. The sensor is not optimised for gas flow, but you can so easily test it by blowing into the end!! Previous reply re density is correct, and how well gas flow would work for you depends on how sensitive you want it to be. If you have sufficient gas flow it will work. Blowing into the end sure made it spin, and blowing hard turned it into a veritable turbine, complete with humming noise.

My application was for water, but who could resist trying it out by blowing first?

It's worth a try - unless your gas flow rate is very small.
Cheers PAFMelb
 

Alec_t

Jul 7, 2015
3,593
Joined
Jul 7, 2015
Messages
3,593
Be wary if the gas is flammable. The rotor seals may be liquid-tight but not gas-tight.
 
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