• Calibration of Liquid-in-Glass Thermometers

    Calibration of Liquid-in-Glass Thermometers

    Despite the move to more digital-based temperature indicating systems, Liquid-in-Glass Thermometers are still one of the most used types of temperature instruments to measure the temperature of fluids in many industries. Due to their unique design, they have excellent stability, reliability and response times for indicating a wide range of temperatures. Physical Construction Physically, a

  • Guardbanding

    Guardbanding

    The international standard ISO/IEC 17025:2017 states that when a statement of conformity is used by a calibration laboratory to indicate whether a measurement value ‘passes’ or ‘fails’ based on the defined specifications, a decision rule needs to be applied. Most decision rules currently used in calibration laboratories use the calculated measurement uncertainty value that takes

  • Calibration Laboratories and COVID-19

    Calibration Laboratories and COVID-19

    The COVID-19 coronavirus pandemic and the resulting economic crisis has affected most businesses worldwide. Calibration laboratories have also felt those effects and have been required to adapt their business practices to accommodate the changes to the industry. In most situations, commercial calibration laboratories are seen as an ‘essential business’ due to their support for many

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