Together, they ensure the accuracy of flow. Learn temperature compensation strategies for miniature pressure sensors This report provides a comprehensive engineering analysis of the principles, formulas, and implementation logic required for robust temperature and pressure.
Pressure Temperature Compensation Flow Measurement
This offers the option of using the pressure controller setpoint, rather than its pv, for compensation
The most compelling reason to do this is.
Temperature and pressure compensation is mandatory when measuring gases or superheated steam with vortex flowmeters The principle is to correct the density. With sensor technology advances, we have found a variety of ways to minimize the temperature effect on pressure sensors and with confidence define a large temperature compensated accuracy range. Flow measurement results usually have to be corrected for temperature and pressure
Why and how to do that you can read here.