Question: How can I use the simplest instruments to detect whether there is flow of fluid in a pipe?
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In production, many pipelines do not have flow meters; these pipelines are not particularly important, and it is difficult to determine whether fluid is flowing in them when such information is needed. Ask an expert: Is it possible to use the simplest method? ； The simplest (cheapest) instruments can accurately determine the flow of the medium within the pipeline. Thank you!
A lens will do; just install a lens
View mirror. I was wrong; it’s not a lens, it’s a view mirror
The cold medium is fine. High-temperature media won’t work. Refining is usually carried out at high temperatures, and if sight glasses are used, the cost will not be low. What I want is an electrical signal. Solve big problems at the lowest cost. Achieving both low cost and high accuracy is indeed challenging. So, please ask the experts for help.
It has very poor reliability and low sensitivity
6# zls36518 So what do you think would be suitable?
If there are many such cases, buy a portable ultrasonic flow meter
You’ve done enough research – doesn’t your factory have anyone who knows how to work with instruments? Just catch one and ask
Whether there is flow can be determined by changes in the pressure or liquid level of the devices connected together; if numerical values are needed, a flow meter should be installed.