Refractometers for wine grapes
Refractometers measure the sugar content in wine grape musts.
Initiatives and services
On
Regulations and standards
On
Media
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Near infrared (NIR) instruments for sugar cane
NIR instruments measure the quality of sugar.
It’s a measure of our success!
Three science graduates celebrate their experiences with the NMI as a part of International Day of Women and Girls in Science on 11 February.
AQA 24-35 liquefied petroleum gas (autogas)
December 2024
AQA 24-34 pipeline natural gas
October 2024
AQA 24-33 stack and exhaust gases
August 2024
AQA 24-32 liquefied petroleum gas
June 2024
AQA 24-31 workplace and mine safety
April 2024
NMI’s legal metrology priorities for 2023–24
The National Measurement Institute’s legal metrology priorities help instil confidence in trade measurement.
General certificate of approval for electric vehicle supply equipment: have your say
The National Measurement Institute (NMI) is seeking feedback on the draft general certificate of approval. Consultation is open until 8 March 2024.