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World Metrology Day is an annual celebration of the signature of the Metre Convention on 20 May 1875 by representatives of seventeen nations. The celebration is arranged jointly by the BIPM and the OIML.

There is a different theme each year, for 2020 it is “Measurements for global trade.”

This theme was chosen to create awareness of the important role measurement plays in facilitating fair global trade, ensuring products meet standards and regulations, and satisfying customer quality expectations.

Indeed more widely metrology, the science of measurement, plays a central role in scientific discovery and innovation, industrial manufacturing and international trade, in improving the quality of life and in protecting the global environment.

Learn more via the World Metrology Day Website.

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Temperature is the second most widely measured parameter, the first being time.
Temperature measurement is vital to:

  • Facilitate global trade
  • Protect human life
  • Ensure quality
  • Efficient operating
  • Pharmaceutical manufacture
  • Environmental science
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