ISO-9022-20 › Historical Revision Information
Optics and optical instruments -- Environmental test methods -- Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide

ISO-9022-20 - 1ST EDITION - SUPERSEDED
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This part of ISO 9022 specifies methods for the testing of optical instruments and instruments containing optical components, under equivalent conditions, for their ability to resist sulfur dioxide (SO2) or hydrogen sulfide (H2S) in a humid atmosphere.

The purpose of the test is to investigate to what extent optical, mechanical, chemical and electrical performance characteristics of the specimen are affected by sulfur dioxide or hydrogen sulfide.

This part of ISO 9022 is not applicable to the testing of material and surface coatings for their corrosion resistance using high concentrations of sulfur dioxide, for which representative samples are generally used as specimens. The appropriate material standards apply to tests of this type.

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To find similar documents by classification:

37.020 (Optical equipment Including microscopes, telescopes, binoculars, optical materials, optical components and optical systems Ophthalmic equipment, see 11.040.70 Optical measuring instruments, see 17.180.30 Photographic equipment lenses, see 37.040.10)

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Document Number

ISO 9022-20:1997

Revision Level

1ST EDITION

Status

Superseded

Publication Date

June 15, 1997

Committee Number

ISO TC 172/SC 1/WG 3