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标题: DSH 723 Components [打印本页]

作者: 小米    时间: 2012-9-8 11:42
标题: DSH 723 Components
DSH 723
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Components
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24.102.2. V! V3 B8 F9 Z; s# M3 B
60335-2-21(ed.5)
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/ L( R% @! ~& i, C/ e+ I3 pQuestion:
$ M; N! k) o& cIn IEC 60335-2-21:2002 / A1:2004 the last paragraph states:
. U, C6 O1 O% t5 P4 d7 I$ HThe 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.
6 g, c$ x0 V2 m% p$ T. \1 JConsidering the above statement, which is the maximum temperature of the water to be measured:9 D2 Q8 O1 T, L  B( o% L* u0 x
a) 130 °K(110 °K+ 20 °K) or/ a% D& @. f/ g& q: |
b) Maximum measured operating temperature of the thermal cut-out during test +20 °K?1 g7 w  Q5 Q$ _( A  ^
Decision:( A0 |3 g& `3 j; G
The correct interpretation is 130 °C. (option a)
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