What are the issues regarding the installation locations of pressure and temperature when performing temperature and pressure compensation for differential pressure flow meters (orifice plates)?
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When performing temperature and pressure compensation for a differential pressure flow meter (orifice plate), what are the requirements regarding the installation location of pressure and temperature sensors, as well as the distance and orientation relative to the orifice plate? It would be best to provide the installation standards
The pressure tapping and temperature measurement points are both located before the straight pipe section upstream of the orifice plate; first comes the pressure, then the temperature, and finally the orifice plate flow meter.
You can also choose integrated real-time compensation for temperature and pressure; it’s sufficient to install sensors at just one point for temperature, pressure, and flow, so there’s no need to install so many sensors. Output the compensated flow directly.
It is specified in the GB 50093-2013 Code for Construction and Quality Acceptance of Automation Instrumentation Projects, as shown in the image:
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