ASD-STAN
| Project No. | EN 2155-5:1989 |
|---|---|
| Title | This standard specifies the determination of visible light transmission for transparent materials by using a photometer employing a defined light source and a photocell matched to the response of the human eye. Because the materials under test are basically colourless, certain deviations from ideal conditions, indicated in the test, are allowable. |
| Registration number (WIID) | 15758 |
| Scope | This standard specifies the determination of visible light transmission for transparent materials by using a photometer employing a defined light source and a photocell matched to the response of the human eye. Because the materials under test are basically colourless, certain deviations from ideal conditions, indicated in the test, are allowable. |
| Status | Izstrādē |
| ICS group | 49.045 |