标准号:DIN 19021-3-1987
中文标准名称:白炽灯幻灯放映机的评价.第3部分:字幕片放映机投影区的温度测量
英文标准名称:Evaluation of still projectors with incandescent lamps; measurement of temperature in the projection area of overhead projectors
标准类型:N45
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:N45
国际标准分类号:37.040.10
适用范围:The standard specifies a testing method for the measurement of the temperature on the picture area of overhead projectors in accordance with DIN 108 part 7 which enables an examination of the temperature rise of transparencies.