ISO 4852:1978
Personal eye-protectors; Infra-red filters; Utilisation and transmittance requirements

Standard No.

ISO 4852:1978

Release Date

1978

Published By

International Organization for Standardization (ISO)

Latest

ISO 4852:1978

Scope

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.

ISO 4852:1978 history

• 1978 ISO 4852:1978 Personal eye-protectors; Infra-red filters; Utilisation and transmittance requirements