DSH 508 Moisture resistance

小米

广东安规检测
有限公司提供：

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 508 4 y  k! q6 Y) D* b7 l

Moisture resistance

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60335-1(ed.3)

" J2 B2 t; i" L% ]! T0 j& q; rQuestion:
What are the test conditions for appliances that are normally ceiling mounted ?
: B9 m1 P! K  R% MRationale:
/ V: N7 m. m+ ~; V- V- w$ Q& _- kSee question.
Decision:
9 \+ D3 @6 \( i8 I) rCeiling mounted appliances are mounted in accordance with IEC 60335-1/1991, sub-clause
5 u1 x' ~6 ^7 {; A- w- f15.1.2, as for appliances fixed to a wall. Ceiling mounted appliances are mounted in their
( @/ l" Z# ?; {" B  Z5 ?9 Aoperating position. The rear part shall be covered and sealed around the mounting plate.
( w; `1 g. |" z% pThe requirements for IPX4 are checked in accordance with IEC 60529, sub-clause 14.2.4.
2 a0 T  d1 D4 aThe requirements for IPX3 are checked in accordance with IEC 60529, sub-clause 14.2.3,
3 p( k: {  n% h6 Fbut the oscillating tube is oscillated as for IPX4, detailed in IEC 60529, sub-clause 14.2.4.
Alternatively, IPX3 and IPX4 requirements can be made using figure 5 of IEC 60529.
IPX2 requirements are not applicable for ceiling mounted appliances.
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