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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 |正序浏览 |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?
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Hosedown test
6 F$ j+ I" F9 V+ H! |) wthe enclosure and its external mechanisms shall be subjected to a tream fo water from a hose
. X6 h* O6 d- N/ Y* G7 L; B: S  O" Jthat has a 25 mm inside diameter (1 inch inside diameter) nozzle that delivers at least 240 L per
( ?! J+ r3 S: y$ }& X" E3 ]/ rminute (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
6 |8 W. p- J& v1 Bshall not serve as a drain.5 Z* J3 u% p2 O" ]

7 v; u5 f6 ^- t( Athe enclosure shall be considered to have met the requirements if at the conclusion of the test no water has entred the enlcousre.5 S' v: P4 Q+ \) t8 s8 P& f% {

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谢谢
6#
发表于 2012-8-19 22:14 | 只看该作者
thanks for your advise
5#
 楼主| 发表于 2010-9-3 11:20 | 只看该作者
thanks
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...
板凳
 楼主| 发表于 2010-9-2 09:35 | 只看该作者
thanks for your advise, # v4 I- m- ^: Q1 U: E1 \6 A- ]& [, K; F
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?
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...
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