Dosimetry audits in practice
A review of the the second ESTRO School Dosimetry Audit at VSL, about dosimetry audits, from reference dosimetry to end‑to‑end tests.
VSL Achieves Accreditation for LED Light Flicker Measurements under European Ecodesign Directives
VSL Achieves Accreditation for LED Light Flicker Measurements under European Ecodesign Directives. The National Metrology Institute is now among the first institutes worldwide capable of calibrating and validating light sources against European ecodesign requirements for flicker.
The future of power transformer testing
Transformers are in high demand while supply is tight, so every new unit matters. A review of the European Workshop for Power Transformer Testing (EWPTT) 2025.
European report: Every euro invested in metrology generates more than four euros in economic growth
A new report from EURAMET quantifies the economic value of its research programmes: the completed EMRP and EMPIR programmes and the ongoing Metrology Partnership. The analysis shows that every euro of EU funding under EMRP and EMPIR generates more than four euros in additional turnover for the economy. A similar impact is expected from the current programme.
Pepernoten Proficiency Test
VSL presents the first Pepernoten Proficiency Test.
Calibrating Flowmeters: How, When, and Why
Erik Smits, Manager Liquid Flow Metrology when VSL, the Netherlands National Metrology Institute, discusses the factors to consider when calibrating flow meters in systems.
First Proficiency Test for Mercury on Sorbent Tubes Now Open for Registration
VSL is pleased to announce the launch of its first proficiency test (PT) for mercury (Hg) measurement on sorbent tubes.
European Workshop for Power Transformer Testing
On November 4, 2025, VSL will organise the first European workshop for power transformer testing.
VSL Cleanroom Achieves ISO Class 7 Certification: Precision Measurements in a Certified Environment
VSL’s 3D-CMM measurement facility is now officially certified according to ISO 14644-1 and meets the exacting requirements for ISO Class 7 air cleanliness.
VSL Partners with Lionite and Sol Photonics on Acoustic Optical Sensing Project
VSL is proud to announce the launch of an exciting new innovation project, “Characterization of High-speed Acoustic Optical Sensors” (CHAOS), in partnership with Lionite and Sol Photonics.