The issue of choosing between linear or Spr for the instrument output function
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This post was last edited by LBJames on 2017-6-8 at 11:39. Hello everyone, I know that the choice between linear and SQR for instruments is related to the instrument’s measurement principle or calculation method, but how do we determine whether to choose a linear or an SQR approach? What are the methods to determine whether a linear or SQr instrument should be chosen? Please ask an expert to help explain this, thank you
Only differential pressure flowmeters (orifice plates, venturi tubes, nozzles, etc.) use SQR (square root); all others use LIN (linear)
Piggy’s sharp language. Anyway, go to the settings in your dashboard and check the parameters yourself.
If you look more closely at the relationship between differential pressure and flow rate in differential pressure flow meters, you’ll know how to make the choice; only one of them can be used on-site or with a DCS
The square root of the differential pressure flow meter can be calculated either at the field differential pressure transmitter or in the DCS.