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Tag: gas mixing

  • 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? […]

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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 […]

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    Mixing gases with versatile flow control

    Mixing gases with versatile flow control Many applications require the use of custom gas mixtures. Pre-mixed gases are often purchased from compressed gas suppliers, however it is also a viable solution to purchase pure gases and blend them yourself. Whether buying gases pre-mixed or mixing your own gas, there are several challenges to overcome. Here […]

  • VICI makes air pollution analyzer calibrators using OEM mass flow controllers for gas mixing

    VICI makes air pollution analyzer calibrators using OEM mass flow controllers for gas mixing Valco Instruments Co. Inc. (VICI) makes systems used to verify the accuracy of analytical data from air pollution monitoring, industrial hygiene surveys, odor surveys, and other gas measurement devices. Their Metronics Dynacalibrators® model utilizes Dynacal® permeation devices to generate and deliver […]

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    How it works: High-accuracy multi-gas calibrations (Gas Select)

    How it works: High-accuracy multi-gas calibrations (Gas Select) Alicat mass flow meters and controllers can measure or control over 98 gases with NIST-traceable accuracy. In this article, we discuss how an Alicat maintains high accuracy measurements across this wide range of gases. Alicat devices are pre-loaded with 3-dimensional gas properties data Alicat mass flow instruments […]