As the Netherlands’ national metrology institute (NMI), VSL makes measurement results of companies, laboratories and institutions directly traceable to international standards (SI units). By providing services such as calibrations, consultancy, reference materials, interlaboratory comparisons and training courses, VSL makes an important contribution to the dependability, quality and innovation of products and processes in commerce and society.

Delft, the Netherlands
Sabine Snijder
(+)31 269 15 269 1666

• Hydrogen purity analysis
• Hydrogen gas standards