Gives the numbering of and transmittance requirements for filters. It also defines guidance on their selection and use. Optical test methods form subject of ISO 4854. Non-optical test methods form the subject of ISO 4855. The symbol for filters includes a code number of transmittance is described in clause 5 of ISO 4854.
Текущий статус : WithdrawnДата публикации : 1978-10
Версия : 1
Технический комитет:Eye and face protection