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各位同学, F6 D9 C/ P9 E$ {
64.4.2 Each product is to be operated at room temperature for 3-1/2 hours. The product is then to be# M$ Q. e" W) U( g( ]+ m
de-energized and immediately submerged in at least 304.8 mm (1 foot) of water. The temperature of the
: R: x% Q* U4 e: c2 r% S# J* Rwater before submersion is to be 5°C (41°F) or less. The product is to remain submerged for 4 hours. At* z7 H1 U3 z6 p5 D. X
the end of four hours, the product is to be removed from the water and subjected to 2 additional cycles( B8 | [5 j3 e( }! }" G
of operation and immersion. Between each cycle, the product is to be placed in a dry location at room
' D, e: k8 T: W4 H1 ^7 Xtemperature for approximately 16-1/2 hours. The product is to be inspected immediately after the third" c. X4 q R* \+ c
immersion for evidence of water entry.
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3-1/2 hours.是指2.5小时还是3.5小时呢?9 A) j6 J6 y2 v" U( I5 K8 k$ y: e$ G
, U; Q# P9 G( V谢谢!
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