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$ A ?6 m: o- U; ]9 {0 Y) A
, ^& K, y, l) k' l+ [7 i
| Temperature Tests0 p: R" F0 ? l# F$ l$ a
| 9.2
3 P8 s* c! q- T% [6 ^1 K | 61010-1(ed.1);am1;am26 M3 D1 q5 V: J3 D9 d
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y1 k: I& R: b7 O! L) }, U# T6 ?; V9 y+ m$ s
Standard:
2 r( l- `, g5 Y& B; o- K! e, gIEC 61010-1:1990 +A1:1992 + A2* |3 A( J7 N& }& r F
:1995
7 ~. W2 J0 N. T8 A9 XSub clause:, | }1 ]( J) [
9.2' s+ ~( ^6 D) t
Sheet n. 3358 b! N. S3 K1 g: i& r/ L
Page 1(1)+ I$ B$ ^+ c! `) w) p( w" L, Y
Subject:2 D$ C- M0 P& t! f$ e. W
Temperature tests
?: a& K, U( f0 EKey words:
6 T. A% |: ], }& aSteady state
! L6 r: @3 j1 N m+ @7 hDecision n. 23 taken at3 ^* t4 }5 u3 y8 j; f
37th meeting/2000
) N$ d3 t: O# i% d/ tQuestion:
; B/ X1 j O9 G! N2 O1 ^; o" _In sub-clause, in 1st paragraph, what is meant by “steady state”?
5 T |8 Z x- s7 W1 M* ~* PShould this term be defined?
# R" R( y# v9 E3 u$ PDecision:- ?0 p( J( W- F
Steady state is not defined in IEC61010-1. It has been agreed that where the2 r: D I. j8 `+ \
temperature rise is not greater than 2°C in 1 hour then it is reasonable to conclude that% U; _. S' B7 K+ K" r/ a
steady state has been achieved. This limit is used in other safety standards for example( [" t. T9 k1 L
IEC60601-1.
}/ r1 k q# O# c3 J$ oExplanatory Notes:
& o! F% l) T" A, v2 XA part is regarded as having reached steady state temperature when the temperature rise over
0 m$ Z2 D% i: x0 s8 V# ?a- D4 I8 L+ k- k9 Y6 }
long period is almost negligible. The 2°C rise in 1 hour is considered a reasonable limit
- A4 \4 D: N) |4 C* W& dfor this purpose.
* a" r# S5 Q* k4 D9 n0 A3 d: S
9 Y8 {6 f. C7 w4 B5 [; i V8 g5 }6 {2 ~% Y. g q8 n& w
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发表于 2012-9-19 13:49
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