PERSONAL EYE-PROTECTION - INFRARED FILTERS - TRANSMITTANCE REQUIREMENTS AND RECOMMENDED USE (FIRST REVISION)
This Malaysian Standard specifies the scale numbers and transmittance requirements for filters for protection against infra-red radiation.
Guidance on the selection and use of these filters is given in Annex B.
The protective filters specified in this standard are not suitable for the direct or indirect observation of an electric arc. For this purpose a welding filter appropriate to the source being observed should be used.
