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楼主 |
发表于 2008-3-17 10:17
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引用第12楼ninwei于2008-03-16 10:58发表的 :
' d- N u8 c [9 ]9 i4 g3 }电阻合格,是否符要求的.UL62中有此方面问题描述 (a) the cross-sectional area (stranded conductor) or the diameter (solid conductor) complying
% [4 w9 l, p* C! {. b% p3 Qwith the minimum values given in Table 1 when determined in accordance with the method
/ l+ N5 z. R9 d; }2 b! d3 ^8 ^specified in CSA C22.2 No. 0.3, Clause 4.1.1; UL 1581, Sections 200 or 210; or NMX-J-066; or0 K3 }% G; O0 R/ G0 D- r
(b) the maximum dc resistance complying with Clause 4.1.1.9." ? @3 c9 ~8 p$ Y) f$ [: ]
+ Q& }. w) Y3 q: U6 b# |In case of dispute, dc resistance shall be the referee method.' l% b4 Y* s9 C7 H" F& {/ N7 g/ i
5 K1 q+ D6 ^1 Y# V& K0 M) ]" [
UL62中确实有此描述. / \+ Y% K/ O# P/ j3 }; N: S; r
! P+ E3 f7 a8 }8 L* Q但是UL758中没有这样说啊 |
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