Blog about flow meter malfunction

Hello! It is a plumber Momo♪
In this blog, I will explain "Flowmeter malfunction" which is often picked up in our daily work.
Have you ever experienced that the flowmeter has stopped moving even though you are installing it according to the manufacturer's instructions during piping construction?
In this blog I tried to write articles, thinking that one can solve all the troubles of you.
Thank you！☆
(First grade plumber skill: Momo)