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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?# Y6 p' P' z# p' `! u

& z7 \' x0 b, |8 k1 iHosedown test
2 S1 p( b& o) ?- K- ithe enclosure and its external mechanisms shall be subjected to a tream fo water from a hose
, b' {% u0 f5 ]3 v: X% ]that has a 25 mm inside diameter (1 inch inside diameter) nozzle that delivers at least 240 L per
3 i) C/ h" q6 t0 wminute (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 : w9 S5 p# H% T& g6 h" q1 W- l
shall not serve as a drain.
1 t4 L+ D* S: M& {. j9 ~- n1 I' E) W. R+ h6 Z: N9 q. [, `- E
the enclosure shall be considered to have met the requirements if at the conclusion of the test no water has entred the enlcousre.
: [4 j9 t# M* L( `. k# `( _
7 R0 x2 c3 D. e9 T( J0 L% M! B$ P6 a* |  H4 c! e
谢谢
发表于 2012-8-19 22:14 | 显示全部楼层
thanks for your advise
 楼主| 发表于 2010-9-3 11:20 | 显示全部楼层
thanks
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 2010-9-2 09:35 | 显示全部楼层
thanks for your advise,
3 d  C$ H& g+ f! z5 f- F$ Lbut 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 2010-9-1 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...
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