Norm

ISO 1229:1989 en

Photography - Expendable photoflash lamps - Determination of light output

31,57

Over deze norm

Status Definitief
Aantal pagina's 4
Gepubliceerd op 11-05-1989
Taal Engels
Methods are specified for the determination of the light output of expandable non-reflectored photoflash lamps. The test apparatus described can a) record the light versus time curve and b) determine the total light output from this curve by integration. The test procedures apply to photoflash lamps in which the light is produced by an electrically initiated combustion within a transparent envelope.

Details

ICS-code 37.040.10
Nederlandse titel Photography - Expendable photoflash lamps - Determination of light output
Engelse titel Photography - Expendable photoflash lamps - Determination of light output

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