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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?* Z, Q7 `& _9 m: I! R

; |# q. r$ i7 ^Hosedown test
! Q+ j. z8 Y" b5 S5 bthe enclosure and its external mechanisms shall be subjected to a tream fo water from a hose ( f; U3 ?4 P* k# E' ~& r
that has a 25 mm inside diameter (1 inch inside diameter) nozzle that delivers at least 240 L per
* B3 U: \& V3 A# X+ d2 I- dminute (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
2 B; V* o% I6 _+ w5 d9 ^3 Qshall not serve as a drain.* R" B# p% l6 H, Y) I' V6 O+ w+ O
( v& V) a0 Z8 f/ T! M& a1 O2 n
the enclosure shall be considered to have met the requirements if at the conclusion of the test no water has entred the enlcousre.# j7 ~8 M" M4 e

! e+ L  M7 [. q# ?% E6 V# m" j
/ F% J# b% L6 U8 Z8 c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,
: x/ R" `" M. N# u& r. cbut 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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