Projekta Nr.EN 2155-5:1989
NosaukumsThis 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.
Reģistrācijas numurs (WIID)15758
Darbības sfēraThis 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.
StatussIzstrādē
ICS grupa49.045