DSH 628 Heating

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广东安规检测
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小型摆管淋雨试验机

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1000L恒温恒湿箱

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可程式恒温恒湿试验箱

水平垂直燃烧机

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灼热丝试验机现货

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IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

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针焰试验机现货

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家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

DSH 628

Heating

11.7 4 f8 @% D3 ]5 ]  S, S2 J# Y- a+ c

60335-2-7(ed.6)

Question:
According to sub-clause 11.7 of part 2-7, appliances incorporating a programmer are operated with the program that results in the highest temperature rise.
- C5 P* g4 {7 z7 u6 J- MSub-clause 3.1.9 requires the use of 50% of the load if this gives higher power input or current.
, |0 ?0 P, u6 Q7 a! LSome new fully electronic programmers of washing machines automatically perform different programs when half a load is used even if the program selected is the same used for full load.
1 z' q0 T2 p) L: D# `The difference between the programs, automatically selected by the appliance, do not allows to comply the requirements of 11.7 and 3.1.9 at the same time (worse load and most unfavourable program) in such a way that using the two possibilities the limits may be exceeded in one case and not in the other.
5 b/ U' L5 [; JThe question is how to perform clause 11 in this case.
/ [/ U7 F( D5 gDecision:
If the power input or current is higher when only 50 % of the textile material is used, the appliance is operated with this load instead if this gives more unfavourable conditions than the full load during the test of Clause 11.