推荐回答(3个)
灯管的直径.如T5是指直径16mm,T8是指直径26mm,T12是指直径38mm
说说灯管型号中的“T”后面数字代表意义
大家经常使用荧光灯管吧?现在常用的是T8、T5、T4灯管,前两年常用的有T10、T12。那么,这个“T”到底是啥意思呢?T5和T4有啥区别呢?我来说说,大家感兴趣的可以拍砖。
"T",说白了,其实就是代表灯管的直径。每一个“T”就是1/8英寸。
大家都知道,一英寸等于25.4毫米。那么T8灯管的直径就是25.4mm。
其余的数字对应如下:
T12 直径 38.1 mm
T10 直径 31.8 mm
T8 直径 25.4 mm
T5 直径 16 mm
T4 直径 12.7 mm
T3.5 直径 11.1 mm
T2 直径 6.4 mm
理论上,越细的灯管效率越高,也就是说相同瓦数发光越多。
实际使用中,细的灯管容易隐蔽,使用场合也灵活,这也就是为什么T5、T4光管得到设计师们青睐的原因吧
但是,越细的灯管启动越困难,所以发展到了T5灯管的时候,必须采用电子镇流器来启动。
为了节约成本,T5、T4都采用了微型支架的形式出售,就是镇流器含在支架的微型空间里面,这种镇流器的效率和质量一般都不大好,导致应该很高效率的灯管反而不如常规的T8灯管亮,寿命方面也有点打折。尽管如此,细管的诱惑还是很大,T5、T4灯管的销量越来越大了。
具体到T5和T4的不同,我先总结几点:
1、直径不同,16mm VS 13mm--这不是废话么
2、亮度不同,理论上应该是T4效率高,但由于镇流器的品质问题,现在很多T4都不如T5来得亮。
3、寿命和稳定性不同,T4不如T5成熟,所以目前寿命比T5要稍微短一些
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