The standard JJF 1847-2020 specifies the calibration specification for Electronic Balance. This standard applies to the calibration of all types of Electronic Balance and refers to a number of related documents, including specifications and definitions for weight, Electronic Balance, Measurement terms, measurement uncertainty assessment and representation. The purpose of Electronic Balance calibrate is to ensure the accuracy and Reliability of its measurement results to meet quality control and measurement requirements in commercial transactions. The calibrating process covers the inspection and testing of technical requirements, including the requirements of non-automatic weighing instruments and the format of test reports, as well as the application of calibrating guidelines to ensure that calibrating work complies with the latest international and national standards and regulatory requirements.