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[认证需求] Hosedown test

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楼主
发表于 2010-9-1 11:23 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
广东安规检测
有限公司提供:
请问那家实验室可以做这个测试?1 w1 M% P6 a2 G3 r' I$ Y# \
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Hosedown test
& {1 z" v+ y) q7 b* Athe enclosure and its external mechanisms shall be subjected to a tream fo water from a hose
* }! E* Y  |. _1 R  rthat has a 25 mm inside diameter (1 inch inside diameter) nozzle that delivers at least 240 L per 9 v& O0 s& M6 O$ A  ]; J# N6 {
minute (65 gallons per minute). the water shall be directed at all joints from a distance of 3.0-3.5m(10-12feet). the nozzle shall be moved along each joint one time at a uniform nominal rate of 6mm/s (1/4 inch per second). a conduit may be installed to equalize internal and external pressure, but
$ |; i0 E- V5 X- x2 c7 a( y' fshall not serve as a drain.
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/ Y$ P9 e% ?6 @+ W0 t4 d9 rthe enclosure shall be considered to have met the requirements if at the conclusion of the test no water has entred the enlcousre.
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谢谢
沙发
发表于 2010-9-1 12:49 | 只看该作者
It's very easy to do by yourself, just prepare a set of test equipment, and the most important is that you must send the meter to be calibrated...
板凳
 楼主| 发表于 2010-9-2 09:35 | 只看该作者
thanks for your advise, * M# U- T* l, W
but I need third part to verfiy this test. do you have any other idea for this?  that's my pleasure if you can introduce any lab to me?
地板
发表于 2010-9-2 10:39 | 只看该作者
Normally, it's for UL Type 4X test, from UL's side, they wanna use the manufacturer's equipment and witness this test in the field, what I know, at least in Jiangsu province, it seems like there is no lab which can do this test...
5#
 楼主| 发表于 2010-9-3 11:20 | 只看该作者
thanks
6#
发表于 2012-8-19 22:14 | 只看该作者
thanks for your advise
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