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[认证需求] Hosedown test

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发表于 2010-9-1 11:23 | 显示全部楼层 |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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& _% m3 A) U8 gHosedown test
- R0 j' p' J1 g- R, Gthe enclosure and its external mechanisms shall be subjected to a tream fo water from a hose   w6 c& T  }! o/ l
that has a 25 mm inside diameter (1 inch inside diameter) nozzle that delivers at least 240 L per
% v- ~; t+ e" ?7 _+ uminute (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
/ H/ z$ F2 k8 M' ]& t2 rshall not serve as a drain.
3 c$ j9 S( I+ @5 X" i$ G8 U7 [6 ^: o0 t% t) q# }2 v
the enclosure shall be considered to have met the requirements if at the conclusion of the test no water has entred the enlcousre.4 ~5 _0 t) B7 C; |$ y* }

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谢谢
发表于 2010-9-1 12:49 | 显示全部楼层
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...
 楼主| 发表于 2010-9-2 09:35 | 显示全部楼层
thanks for your advise,
) ]5 ~8 O7 e: _, X3 v2 ]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?
发表于 2010-9-2 10:39 | 显示全部楼层
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...
 楼主| 发表于 2010-9-3 11:20 | 显示全部楼层
thanks
发表于 2012-8-19 22:14 | 显示全部楼层
thanks for your advise
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