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Tag: volumetric flow

  • What is mass flow?

    What is mass flow? Most Alicat devices measure and control the mass flow rate of a gas. As gas flows through an Alicat, it passes through a flow channel with temperature and pressure sensors. These sensors measure the instantaneous temperature and pressure of the gas stream, and use that information in combination with known gas […]

  • What is the difference between mass flow and volumetric flow?

    What is the difference between mass flow and volumetric flow? Understanding the difference between mass flow and volumetric flow is important when determining which flow instrument is right for your application. Here we introduce the concepts of mass flow and volumetric flow and discuss use cases for each measurement. What is a volumetric flow rate? […]

  • Bleeding your liquid device tutorial

    Bleeding your liquid device tutorial Alicat differential pressure based liquid flow meters and controllers should only be used to flow liquids. Sometimes, however, a liquid contains trapped air or gas bubbles. It is critical that the device only measures the pressure of the gas-free liquid flowing through the device (no bubbles), or readings will be […]

  • Measuring vent and greenhouse gas emissions

    Portable gas flow meters are use multiple flow sensors to capture pressure, temperature, and flow data quickly at the source.

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    Correcting flow data after choosing the wrong gas in Gas Select

    Correcting flow data after choosing the wrong gas in Gas Select Selecting the correct pre-loaded gas calibration is an important step in obtaining accurate mass flow data. If you do notice you have been collecting data with the wrong gas selected, there is no need to panic. Data can easily be corrected using the instructions […]