Do you know anything about the pocket-type mass flow meter?
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I’ve only read about it in books, but I’m not very clear about how effective this type of flow meter is for measuring mass flow rate directly
There’s a lot of information on this topic on the forum; search for it yourself
The results are pretty good, as long as you choose the right model
When the medium density is constant, it performs fairly well for measuring mass. Because the vortex flow meter measures volume. If the medium density changes frequently, it is recommended not to use a vortex flow meter.
Vortex flowmeters operate on the principle of oscillation; therefore, they should not be used in areas with high vibrations.
A vortex flow meter obtains a standard flow rate after temperature and pressure compensation; multiplying this by density gives the mass flow rate, and such meters exist.
Vortex flow meters measure mass flow rate and are suitable for media with relatively stable temperature and density
Most of the participants on the forum are specialized in instruments, and they should be aware that there are two types of vortex flow meters designed for measuring mass flow rate: one is the lift-type vortex flow meter, and the other is the differential pressure type flow meter