UII stands at the pinnacle of the metrology hierarchy, embodying our motto: A Culture of Excellence. Our Primary Standards laboratory seamlessly bridges the traceability gap between the International System of Units (SI) and our clients. With a commitment to precision and over 25 years of average experience among our dedicated team, our Primary Standards Laboratory is equipped to deliver the most accurate measurements in the industry. We ensure the integrity of our standards through rigorous quality control, providing highly accurate uncertainties at a cost-effective price. UII proudly maintains our ISO/IEC 17025:2017 accreditation, enabling us to offer exceptional measurement capabilities across virtually every discipline.