VSL develops test and validation framework for reliable data analysis methods in electricity grids
VSL is developing a uniform test and validation framework for grid data analytics together with European partners.
Interlaboratory Comparison of SI‑Traceable CO₂ Flow Meter Calibration
VSL, in collaboration with international metrology institutes and industrial partners, has carried out an interlaboratory comparison on the calibration of gaseous carbon dioxide (CO₂) flow meters.
Traceable calibration of digital energy meters for smart grids
VSL presents a traceable calibration method for digital energy meters with IEC 61850‑9‑2 inputs, published in IEEE TIM.
VSL develops a portable calibration system for ammonia
Dit systeem, genaamd TRACTOR (TRaceable Ammonia CalibraTOR), kan dynamisch ammoniak in de lucht genereren in sporenconcentraties, zowel onder droge als vochtige omstandigheden.
Metrology for Ammonia as an Energy Carrier
Given its higher volumetric energy density compared to hydrogen, ammonia is expected to play a significant role in long-term energy storage. To ensure a safe and fair rollout of ammonia as an energy carrier, it is essential to establish infrastructure for measuring quantity, quality, and emissions.
Metrology for Hydrogen Vehicles 3
This project focuses on developing faster methods for hydrogen flow calibrations (using master meters), combining flow calibrations with sampling for quality measurements, creating test protocols for gas composition sensors, and investigating potential new impurities.
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.
VSL advances hydrogen refueling infrastructure in the Green Transport Delta – Hydrogen project
Learn how VSL develops metrological innovations for hydrogen refueling infrastructure within the Green Transport Delta – Hydrogen project. Watch the video and explore how accurate hydrogen flow and purity measurements support safe, sustainable mobility.
the 150 Anniversary of the Metre Convention
Celebrating a Metrology Milestone: the 150 Anniversary of the Metre Convention