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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?4 G: R. A& f4 r: k

. `6 Y9 {# r+ s9 S- ?* }3 k5 k0 m  K- dHosedown test1 _$ @5 ?' U# l
the enclosure and its external mechanisms shall be subjected to a tream fo water from a hose
& j/ E1 W- g/ e5 pthat has a 25 mm inside diameter (1 inch inside diameter) nozzle that delivers at least 240 L per
) `/ [; i" K3 [& U. Fminute (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
1 X% L& i4 M9 S. zshall not serve as a drain.4 F9 ]( D. h/ {8 H2 c
' h3 ~; X* K2 ~" j) w3 F7 i) J) L
the enclosure shall be considered to have met the requirements if at the conclusion of the test no water has entred the enlcousre.
( W" Z  L3 p  M0 n2 f, J$ \) w" Q- ~. m* G* C. \
! P5 W+ O+ h8 x
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,
8 t$ T% R# u- N- jbut 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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