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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?
" }4 ~* y' o3 d2 Q
! F+ k# T1 E1 B7 tHosedown test
; r  h8 C9 v! U4 J+ cthe enclosure and its external mechanisms shall be subjected to a tream fo water from a hose
2 J: _- \! [' P* F- n( n  d5 vthat has a 25 mm inside diameter (1 inch inside diameter) nozzle that delivers at least 240 L per ; e" ^) O' D$ i# Q/ ?% z6 i
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
+ G( e5 I" p( g$ m2 c6 x3 e: B# e$ Jshall not serve as a drain.7 Y; E" z! v+ L# I1 S) s: p
4 E+ F0 p. u( g& n
the enclosure shall be considered to have met the requirements if at the conclusion of the test no water has entred the enlcousre.3 m6 N' `" Q7 @( g
" \: M3 p# J3 n3 m( ], Q2 z+ V
' s# P* R  w# N' Y
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,
. ?) ~* |, U; m. n( R, [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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