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- {* M/ t" e' ~/ R+ E' g/ l+ j | 24.102.2
! @9 u9 C" N& ^$ w3 z | 60335-2-21(ed.5)- q7 E0 w6 N- g' |2 o( p. M
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Question:
5 @' O6 \7 {* Z2 Y" w8 zIn IEC 60335-2-21:2002 / A1:2004 the last paragraph states:* u' \4 t! K, r9 `, N
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.
0 |! w9 P. |# Y! H! Y- w6 _$ `Considering the above statement, which is the maximum temperature of the water to be measured:
! C: F" N- N& H, o5 r3 s. C3 xa) 130 °K(110 °K+ 20 °K) or! D* i# x. a. {3 p
b) Maximum measured operating temperature of the thermal cut-out during test +20 °K?: }+ z ~* g& H: }" t
Decision:* q5 M5 k" Q! ] P9 K% g2 c* H
The correct interpretation is 130 °C. (option a)
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发表于 2012-9-8 11:42
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