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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 :2 V: b" ~8 W+ h5 x. m
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
9 E5 O5 m+ I# g |5 ]: P8 Gwith the minimum values given in Table 1 when determined in accordance with the method
5 O+ G% o6 S& o# ^. d2 K! aspecified in CSA C22.2 No. 0.3, Clause 4.1.1; UL 1581, Sections 200 or 210; or NMX-J-066; or: N) a* Z! v: @5 K0 |% T8 J; W' _0 \
(b) the maximum dc resistance complying with Clause 4.1.1.9.) G% Y$ E# x. b- ^! B7 }
9 e- F3 x& s9 u7 U4 Y) y# L4 Z. Y
In case of dispute, dc resistance shall be the referee method.- {. B4 R7 N. n) O: m: n9 F* }4 S
# h" }5 [3 G& V' B1 |. I" J
UL62中确实有此描述.
6 K" a; Z, q |# x( S: _7 C& t! }! F' L) a1 n7 ?5 p
但是UL758中没有这样说啊 |
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