In February 2025, Qmicro by Sensirion celebrated a significant milestone with the certification of their DynamiQ-X GC analyzers for natural gas and hydrogen blend analysis. The OIML R140/MID accuracy class A certification, No. TC12537, was granted after comprehensive testing by NMi in the Netherlands, ensuring adherence to ISO 17025 standards. This recognition simplifies approval processes for system integrators worldwide, particularly those focused on composition control and custody transfer. The certification specifically applies to the NG2210 and NG2220 models, with the former excelling in natural gas analysis and the latter designed for blends containing up to 20% hydrogen. This achievement signifies a leap forward in cost efficiency and risk minimization for integrators by offering precise and reliable analytical tools. The evaluation process encompassed various factors including temperature variations, mechanical influences, electrical impacts, as well as software and firmware assessments for control, data handling, and communication standards. Overall, the certification of Qmicro's DynamiQ-X GC analyzers marks a significant advancement in the field of gas composition analysis, ensuring quality and accuracy for industry professionals globally.