philips master tl-d 90 de luxe 18w/965-59cm
1.general characteristics
cap-base:g13 [medium bi-pin fluorescent]
bulb:t8 [26 mm]
life to 50% failures em:15000 hr
life to 50% fail preheat el,3h:20000 hr
life to 50% fail nonpreh el,3h:12000 hr
life to 10% fail nonpreh el,3h:10000 hr
life to 10% fail preheat el,3h:17000 hr
life to 10% failures em:12000 hr
lsf em 12000h rated,3h cycle:90 %
lsf em 8000h rated,3h cycle:95 %
lsf em 6000h rated,3h cycle:96 %
lsf em 4000h rated,3h cycle:97 %
lsf em 2000h rated,3h cycle:99 %
2.light technical characteristics
color code:965 [cct of 6500k]
color rendering index:93 ra8
color designation (text):cool daylight
color temperature;6500 k
chromaticity coordinate x:309 -
chromaticity coordinate y:323 -
luminance average em:0.90 cd/cm2
lum efficacy rated em 25°c:63.9 lm/w
llmf em 12000h rated:90 %
llmf em 8000h rated:93 %
llmf em 6000h rated:94 %
llmf em 4000h rated:95 %
llmf em 2000h rated:96 %
luminous flux em 25°c, rated:1150 lm
luminous flux em 25°c, nominal:1150 lm
design temperature:25 c
3.electrical characteristics
lamp wattage:18 w
dimmable;yes
lamp current em 25°c:0.360 a
lamp wattage em 25°c, rated:18.0 w
lamp wattage em 25°c, nominal:18 w
lamp voltage em 25°c:59 v
常作为标准光源使用，色温为6500k，作为d65灯管使用，用于印刷机看样台，标准光源箱，印刷纺织车间，工作台等．