|
|
|  DSH 723. q+ ?2 p/ T: B4 `1 ~
6 t0 V5 A' d* A, `: @+ b T- t$ Q
| Components
! r! b/ O) s2 C6 W8 F8 i5 ?1 r' _, O | 24.102.2
9 d7 E- N' w7 T `. x | 60335-2-21(ed.5)3 |! q$ E% M, f! |, k4 F5 O: L
|
4 O3 y. O" i1 V8 k
Question:% q& L! [4 O: E% M# q1 n I5 \
In IEC 60335-2-21:2002 / A1:2004 the last paragraph states:$ r, d' F! g+ z4 d0 E
The thermal cut-out shall operate before its temperature exceeds 110 °C. The water temperature shall not exceed by more than 20 °K the maximum permitted operating temperature of the thermal cut-out.
q. `; V6 x% E. I3 i0 a0 |7 xConsidering the above statement, which is the maximum temperature of the water to be measured:
0 w' M3 i! g f. Q8 c$ h: W' o5 aa) 130 °K(110 °K+ 20 °K) or4 r4 X* b7 { K2 p
b) Maximum measured operating temperature of the thermal cut-out during test +20 °K?
, c$ y9 z( y9 z( O* ADecision:" p A/ a$ F/ B
The correct interpretation is 130 °C. (option a)6 [( ^/ b+ Z5 ~2 ]/ {; G+ `$ a
' x8 J. K, D/ R* Z
/ y0 X# y8 B; V |
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有帐号？注册安规
x
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-8 11:42
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡