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Need suggestions for a part

R_Phoenix

Hello all.

 

I am looking for the best option to detect when water is in a pipe. In a nut shell I 'm looking for a way to know when water is available inside a 3/4" pipe.

 

I thought of a pressure switch but I can't seem to find anything that is simple and in expensive and also there won't always be pressure on the switch, for instance when the water is flowing threw the pipe.

 

Then I thought of a flow meter, but again the water won't always be flowing to detect motion.

 

Now I am thinking of reading the capacitance/resistance of the water. I have a few options but I was wondering what else might be out there that I haven't stumbled on yet.

 

Thanks everyone.

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  • Hy there,

    if you can put the electronic inside the pipe you can make a resonant circuit with the capacitor on the pcp side located in direction to the water. and if water is present the capacitance will change and also the resonant frequency wich you can measure. This is how the water level sensor in coffe machines works.

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  • Hy there,

    if you can put the electronic inside the pipe you can make a resonant circuit with the capacitor on the pcp side located in direction to the water. and if water is present the capacitance will change and also the resonant frequency wich you can measure. This is how the water level sensor in coffe machines works.

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