This standard specifies the technical requirements, test methods, inspection rules and their marking, Encasement, transportation and storage requirements for Gas Chromatographs in laboratories. The standard is applicable to Gas Chromatographs commonly used in laboratories and covers the basic performance indicators and test procedures of equipment to ensure the accuracy and Reliability of instruments. Relevant Encasement standards and environmental test methods are cited to guarantee the Stability and Safety of Gas Chromatographs during transportation and use. The standard also includes definitions of common Detectors such as Thermal Conductivity, Flame Ionization, Electron Capture, Flame Photometry and Nitrogen Phosphorus Detectors, providing comprehensive specification guidance.