Gives the numbering of and transmittance requirements for filters. It defines guidance and their selection and use. Optical test methods form the subject of ISO 4854. Non-optical test methods form the subject of ISO 4855. The symbol for filters includes a code number and the shade number corresponding to the filter. The determination of transmittance is described in clause 5 of ISO 4854.
Status: WithdrawnPublication date: 1979-02
Edition: 1Number of pages: 2
Technical Committee: ISO/TC 94/SC 6 Eye and face protection
- ICS :
- 13.340.20 Head protective equipment
This standard contributes to the following Sustainable Development Goal:
ISO 4851:1979Stage: 95.99
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