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大家好!( f d" t* p$ v
5 C* y1 w4 b- _& ~# \6 J 请大家帮忙理解下面IEC60598-1 Section 9 标准中的要求。
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For tests of 9.2.3 to 9.2.9, a fixed luminaire intended for mounting with its body in contact with1 [7 T1 ]( I" T0 Z0 a
a surface shall be tested with an expanded metal spacer interposed between the luminaire and
2 f# F- j+ Y" `* A$ athe mounting surface. The spacer shall be at least equal in overall size to the projection of the
$ _' F" _4 }$ P. T9 Xluminaire, and have dimensions as follows:2 `8 A9 }2 @0 J9 k5 S+ `
Longway of mesh 10 mm to 20 mm' [1 o) b! f# m: i6 u
Shortway of mesh 4 mm to 7 mm" n6 z; C. m1 k6 h1 R/ w
Strand width 1,5 mm to 2 mm: {6 |$ a+ Y. R% [' o7 E
Strand thickness 0,3 mm to 0,5 mm
$ ~* T! ~/ }- |! J4 Q/ q( c, POverall thickness 1,8 mm to 3 mm; F& Y/ p9 P( u6 p
1 i+ n$ a) ~( O7 E1 U W我的问题是:做IPX3和IPX4测试时,当灯具本身的安装面尺寸仅有100mm,但是灯具总的投影面有850mm。那么隔板的尺寸要需要多大呢?是刚好100mm或者是850mm.(注:隔板是用在灯具和安装面之间,做隔离。) 麻烦各位前辈帮忙解答这个问题。谢谢! |
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