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|  DSH 491
8 u6 q" _0 }8 ?# G: ]) o, b
+ _, Q* W3 v& l3 k8 V4 u$ z" D1 n5 k& S* X$ M" E, ` ]) U6 b, P0 N
| Heat/fire/tracking
! E, z( U$ G) n7 W' V | 30.1
8 _0 F1 Y/ c5 [9 J6 w# E | 60335-1(ed.3)
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Standard: IEC 60335-1:1991, 3rd Ed.7 f- ~: d9 ]& H: ] E
Sub clause: 30.1, S) f, Q! Z' _) U7 m$ d, i; Q) A
Sheet No. DSH-491- J0 n- p, m3 v8 K" R) F: n% z
Subject: Heat/fire/tracking
/ b: @- I3 R3 S0 N: Y; VKey words: - external parts
8 T$ V- O( ?/ p! ~8 z, CDecision taken at the 40th CTL meeting 20036 W/ Q) ? w; y/ Y- ]! c
Question:1 |9 V- e! O, z' _
Where is the temperature for external parts measured?' y0 ^4 I$ t1 S, C. B' s0 ^- F, Y, L
Rationale:
3 q. F+ u* Y" i- `- e# TSee question.9 T Q: q* ?* D1 d
Decision:
% T# q/ @8 f2 O& W7 J+ H. m, O: JThe measurement is made at the hottest point which is normally on the internal surface.
! V6 c v4 o7 ~2 h6 ?$ i- x5 h8 n( r: }$ b6 F8 i+ v7 u+ o. a; L* [
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发表于 2012-9-11 12:01
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