The liquid level detection module does not touch the liquid to be tested. Is it ok to measure the capacitance? Which mode to use? What is the effective distance of non-contact?

Question

The liquid level detection module does not touch the liquid to be tested，

Is it ok to measure capacitance? Which pattern to use？

What is the effective distance of non-contact？

Answer

Can;

Use the single-end mode, but copper coaxial core and shield wires shall be connected outside the container for testing;

Do not touch the liquid, but must contact the outer wall of the container;