National Physical Laboratory

Dimensional, Mass & Force Instrumentation & Artefacts

Simply use the links to learn more about each product area.
Dimensional, Mass, Force

NPL’s Dimensional Group have developed a world leading wide range of instrumentation and traceable standard artefacts from their own research needs and customers range from other National Measurement Institutes to Commercial Organisations.

NPL works with customers who require absolute confidence in their measurements, supplying custom-made instruments modified for specific customer applications.  We can also deliver custom-designed training to help our customers get the best utilisation from our Instrumentation.

Dimensional and Force Instrumentation

Primary Length Bar Interferometer

Gauge Block Interferometer

Flatness Angle and Parallelism Interferometer

High Precision Linear Interferometers

Step Gauge Measurement System

Nanovision Imaging System

High Accuracy Force Generation Machinery

High Accuracy Torque Generation Machinery

Dimensional and Mass Artefacts

Freeform Artefacts

Surface Characterisation Artefacts

Gauge Block Sets

CMM Artefacts

Articulated Arm and Laser Tracker Artefacts

Linewidth Scales

Calibrated Weight Sets

Calibrated Load Cells

Solid Density Artefacts


Contact the Instrumentation Team for more information

Information on Dimensional Science

Information on Mass, Force and Pressure