SIST EN ISO 80000-5:2019/A1:2025

Overview

SIST EN ISO 80000-5:2019/A1:2025, published by CEN, is an amendment to the internationally recognized standard defining quantities and units in thermodynamics. Part of the comprehensive ISO 80000 series, this amendment aligns the standard with updates to the International System of Units (SI) and clarifies key definitions. As thermodynamics is fundamental in physics, engineering, chemistry, and related fields, precise definitions and standardized units are crucial for international collaboration, research integrity, and consistency in technical documentation.