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Tag: whisper

  • Fast, accurate leak testing using one flow controller

    Looking for a fast, accurate way to leak test your system? Whisper low pressure drop controllers provide a convenient, single instrument solution. A standard controller may also work, however stable leakages are best detected when the meter generates minimal pressure drop (line pressure due to frictional resistance). This makes the low pressure drop (as low […]

  • Measuring flow at subatmospheric pressures

    Measuring flow below atmospheric pressure can be challenging due to changing volumetric flow rates and pressure drop requirements. It is critical to consider operating conditions and device capabilities to ensure your flow meter gives correct readings. In this article, we will discuss the relationship between line pressure, flow rate, and pressure drop to determine the […]

  • Validating, verifying, and calibrating flows

    Validation, verification, and calibration all share the common goal of ensuring a process is working as intended. Here, we discuss these three interrelated but distinct processes and detail how to go about validating, verifying, or calibrating your system. At a basic level, the three terms may be defined as follows: Validation ensures a system satisfies […]

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