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A Beginner's Guide to Humidity Measurement

This guide introduces the concept of humidity and the basics of making a reliable humidity measurement

A Beginner's Guide to Temperature Measurement

This guide aims to help first-time users who have no experience of how to measure temperature beyond basic knowledge

NPL guides aim to improve measurement understanding and technical abilities across the UK and the rest of the world.

They describe good current practice and are produced with technical input from specialists in the particular subject covered.

There are guides for everyone, from the 'beginner’s guides' to measurement and uncertainty that provide introductions to basic measurement concepts, to more specialised guides useful for measurement professionals and practising scientists.

Other useful resources include educational and scientific posters, as well as our FAQs that may be able to help with measurement questions.

Use the lists below to navigate through our numerous guides.

Take a look at our good practice online modules, brush up on your knowledge and test your skills!