This standard specifies the test conditions, condition tests, test procedures and environmental test marks for comprehensive low temperature and low pressure tests. This standard applies to optical instruments, instruments with optical components and optical components used in high mountain areas or on aircraft dashboards or missiles.
GB/T 12085.5-1989 history
2022GB/T 12085.23-2022 Optics and photonics—Environmental test methods—Part 23:Low pressure combined with cold,ambient temperature and dry or damp heat
2011GB/T 12085.5-2010 Optics and optical instruments.Environmental test methods.Part 5:Combined cold,low air pressure
1989GB/T 12085.5-1989 Optics and optical instruments--Environmental test methods--Combined cold,low air pressure