Selection of mass flow meters
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I would like to ask the experts: when setting the parameters for mass flow rate, should the working flow rate be specified in kg/h or Nm3/h? And what is the range of the working flow rate?
Is the poster asking such a childish question on purpose to earn points?
For liquids, the unit of measurement is kg/h, while for gases it is generally Nm3/h. Similar to this
Doesn’t a mass flow meter measure mass flow?
I’ve just started learning instrumentation on my own; without a mentor, I have to turn to everyone for advice
You can refer to the comments on floor 3! When submitting the parameters for selecting a flow meter for calculation, it is possible to use different measurement units based on the state of the various media, in order to provide the appropriate process parameters. The range (scaled flow rate) can be set at the maximum flow rate or above it, or the scaled flow rate may already be specified in the specifications.
If the process requirement is in volume units, the mass flow meter can be set to output M3/h; however, NM3/h refers to gas.