"JJG (Building Materials) 139-1999 Flat Glass Color measurement instrument" is one of China's national Measurement verification regulations, issued by the State General Administration of mass Supervision, Inspection & Quarantine, and implemented since January 1, 1999. The standard stipulates the method of verification and requirements of Flat Glass Color measurement instrument, which is applicable to instruments and equipment for measurement of Flat Glass Color. The standard elaborates on the Measurement characteristics, verification conditions, verification items and methods of verification of the instrument to ensure the accuracy and conformity of the measurement results. Its formulation aims to provide a standardized Measurement basis for Flat Glass Color measurement, which is widely used in building materials, Glass manufacturing and related testing fields, and is of great significance to improve product mass and protect consumer rights and interests.
| Status | Active |
|---|---|
| CCS | (N00) 标准化、质量管理 | ICS |
| Release Date | Implementation Date |