This part specifies the test conditions, condition tests, test procedures and environmental test marks for humid air containing sulfur dioxide and hydrogen sulfide. This section applies to optical instruments, instruments incorporating optical components and optical components.
GB/T 12085.20-2011 Referenced Document
GB/T 12085.1 Optics and photonics—Environmental test methods—Part1: Definitions, extent of testing*, 2022-10-14 Update
GB/T 12085.20-2011 history
2022GB/T 12085.20-2022 Optics and photonics—Environmental test methods—Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide
2011GB/T 12085.20-2011 Optics and optical instruments.Enviromental test methods.Part 20:Humid atmosphere containing sulfur dioxide or hydrogen sulfide