National Physical Laboratory

Precision scales, stage micrometers and graticules for microscopy and image analysis

Optical Dimensional StandardThe NPL Optical Dimensional Standard 

High quality calibration scales are required for making traceable measurements with non-contacting imaging and vision measurement systems. NPL designs and calibrates a range of optical scales and reference patterns for quantitative microscopy, image analysis and non-contact measurement systems.

Our extensive range of measurement facilities provides sub-micrometer accuracy for the following types of scales:


Customer Service tel: +44 20 8943 6245

Last Updated: 18 Aug 2015
Created: 1 Feb 2011


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