How to measure flow rate in small pipes with a diameter of 10–15 mm
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How to measure flow rate in small pipes with a diameter of 10–15 mm and made of quartz? What type of flow meter is generally chosen, and how is it best installed?
Medium? Temperature? Pressure? A rotameter for measuring low flow rates can be used.
For small-diameter flow meters, rotameters are commonly used; however, the fluid medium needs to be relatively clean.
It depends on the medium and requirements, such as thermal type, mass, etc.
With such a small diameter, the medium is usually quite pure, so a rotameter can be used
Is what the original poster is referring to the process pipelines in industrial processes? It shouldn’t be. If high measurement accuracy is required, use a small-bore mass flow meter directly ； If high precision is not required, a rotameter can be used for liquids, while for gases, a U-tube manometric differential pressure gauge will suffice.