Heat meters. Part 4. Pattern approval tests

This standard outlines the procedures for type approval testing of thermocouples. It specifies the methods and requirements necessary to ensure the accuracy and reliability of thermocouples during their production and use. The document covers the essential tests and criteria that must be met for a thermocouple to be approved for its intended application. It provides detailed guidelines on how to conduct these tests, including the equipment, conditions, and evaluation processes. The standard is structured to facilitate consistent and reliable testing practices across different manufacturers and testing facilities. It serves as a reference for ensuring that thermocouples meet the necessary performance standards.