Hosedown test

barry-xu · 发表于 2010-9-1 11:23

请问那家实验室可以做这个测试？

Hosedown test
the enclosure and its external mechanisms shall be subjected to a tream fo water from a hose
that has a 25 mm inside diameter (1 inch inside diameter) nozzle that delivers at least 240 L per
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
shall not serve as a drain.

the enclosure shall be considered to have met the requirements if at the conclusion of the test no water has entred the enlcousre.

谢谢

Andy.Yang · 发表于 2010-9-1 12:49

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...

barry-xu · 发表于 2010-9-2 09:35

thanks for your advise,
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?

Andy.Yang · 发表于 2010-9-2 10:39

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...

barry-xu · 发表于 2010-9-3 11:20

thanks

hwtao0506 · 发表于 2012-8-19 22:14

thanks for your advise

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