National Physical Laboratory

Online modules

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


Measurement Explained Series

Introduction to measurement Measurement Fundamentals Explained

This unit introduces Metrology, the science of measurement, along with some basic metrology concepts.

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Measurement uncertainty Measurement Uncertainty Explained

This unit introduces the basics of measurement uncertainty, along with some underpinning concepts such as 'error', 'standard deviation' and 'probability distributions'.

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Dimensional online modulesGeometrical Product Specification Explained

This online open unit introduces dimensional measurement, geometrical tolerancing, tolerance types, and covers relevant considerations when designing and/or interpreting an engineering drawing.

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Online Modules

Optical radiation safety Optical Radiation Safety

These online training modules introduce you to the basics of light, and how to protect yourself from it.

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Practical radiation monitoring Practical radiation monitoring

Online modules discussing the procedures and methods for assessing radiation levels.

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Humidity online modulesHumidity

Online modules on the basics of humidity and how to measure it.

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Our Introduction to Measurement and Measurement Uncertainty courses have been updated and are now freely available in our Measurement Explained series.

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