What day is tomorrow?

May 20th is the annual World Metrology Day. This date was chosen to commemorate the signing of the metric convention 1875 on May 20th, which also marked the official start of international metrology cooperation.

What's different this year?

2018 165438+1October16 The International Metrology Conference adopted a resolution on the revision of the International System of Units (SI), which made it clear that from May 20th, 20 19, all seven basic units of SI were defined by physical constants.

This is the most significant change of SI since the establishment of 1960. In order to commemorate this milestone change, the International Metrology Organization designated the 20th World Metrology Day this year as "International System of Units-a fundamental leap".

In fact, measurement is closely related to each of us. Why do you say that? After watching this short film below, you will understand!

Upcoming events

Tomorrow (May 20th) afternoon, a seminar on "Reform of Measurement Unit System and International Mutual Recognition" will be held in Hangzhou Xiasha Testing Base. The seminar was directed by Zhejiang Market Supervision Administration and sponsored by Zhejiang Institute of Metrology. The main content of the seminar is to publicize the major changes in the international system of units, publicize the certificate mutual recognition system of the International Organization for Legal Metrology (OIML), and urge the science and technology industry to recognize the impact, opportunities and challenges brought about by the changes as soon as possible, make full use of the efficiency and convenience of the international mutual recognition system of metrology, and promote the high-quality development of the manufacturing industry. Representatives from more than 50 key instruments and meters enterprises will attend the meeting.

At the same time, around this time, the market supervision departments all over the province are also serving you, including carrying out activities such as measuring and benefiting people's publicity services into communities, serving enterprises and opening laboratories.