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    • Pressure Measurement Lesson
      • Why Measure Pressure?
      • What is Pressure?
      • Weight and Head Pressure
      • Head Pressure Variables
      • Gas Pressure Variables
      • Pressure Measurement Types
      • Measured Pressure
      • Inferring Non-Pressure Process Variables
      • Inferring Non-Pressure Process Variables
      • Pressure Gauges
      • Pneumatic Pressure Cells
      • Electronic Pressure Transmitters
        • Variable Capacitance Transmitters
        • Variable Capacitance Transmitters
        • Piezoresistance Transmitters
        • Piezoresistance Transmitters
        • Other Pressure Transmitters
    • Summary

    Terms

    Pressure referenced to a total vacuum

    Insulating medium (often oil) that fills the space between the plates

    Pressure referenced to another process pressure

    Pressure referenced to atmospheric pressure

    The pressure exerted by a liquid

    Boundary between two immiscible (incapable of being mixed) fluids

    Mass of a liquid per unit volume

    Height of liquid in a vessel

    Ratio of the density of one liquid to the density of another reference liquid

    Pressure exerted in a closed system

    Pressure created during vaporization process

    Force over area

    A simple circuit that is used to measure an unknown resistance.

    Rosemount Process Control Fundamentals Pressure Measurement

    Here are some useful links and documents:

    Rosemount Process Control Fundamentals Pressure Measurement
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