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引用第8楼fendou于2009-03-18 09:53发表的 :
: t1 Z' l- j X$ l4 @: z请问楼上，“环境温度测试一般标准为15-25摄氏度C范围”在哪里可以查到？
8 {/ e {( Y3 }5.7 The tests are carried out in a draught-free location at an ambient temperature of) K) a8 u+ S+ k8 k2 x; Z# d/ e1 e
20 °C ± 5 °C.- m+ f7 y# m2 f4 t2 q$ O3 ^( _$ Q
If the temperature attained by any part is limited by a temperature sensitive device or is% n7 W8 [4 u4 z+ X
influenced by the temperature at which a change of state occurs, for example when water
' g4 \. @) n1 Vboils, the ambient temperature is maintained at 23 °C ± 2 °C in case of doubt.& c* ]# o0 Y$ ?7 }
. j9 G6 H" I* j# }' C. e$ P' O {/ p: F; c( n
但是有的要结合-2的特殊标准，因为热带的好像是40度了。具体要求要结合标准来看。 |
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发表于 2009-3-18 10:59
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