引用第3楼samzhu于2011-01-04 10:36发表的 : 9 d% G" o/ y# U2 z n, ?& U! ?我公司有测试过LED显示屏这样的产品 是做UL的.标准好像是按照IT类的产品进行测试的. 是UL60950 户外测试我知道的就是IP测试了.ETL的费用比UL的低点.但是UL的接受度比较高. 主要是看客户要求.
作者: lanfeiyuner 时间: 2011-1-4 20:20
UL60950-22 IT类的户外要求. ) U$ X) g4 _( Q$ l5 {+ q+ O3 j . q0 k7 i/ D0 I; n% X% u4 Xdisplay是否适用就不知道了作者: jerrytown 时间: 2011-1-4 23:47
2楼说的NEMA250的要求了，UL50都不懂。。。。。 . Y" R" k+ ]& o4 R6 E5 h4 o! [6 U看来大都以IT类标准进行测试的~+ S) x W. V* k# h7 Q
那对户外60950-22有哪位高手有接触过啊？作者: samzhu 时间: 2011-1-6 09:23
Information Technology Equipment - Safety - Part 22: Equipment to be Installed Outdoors- ]) y' C# Z G. l: d1 c
UL 60950-22 % ^9 w, e* `% p4 s& C) i* ?1 Scope . W7 w0 W, e' E$ M O/ G' g
1.1 Equipment covered5 P: j2 ^ y2 p% ~5 D3 y5 Z7 E* u
This part of IEC 60950 applies to information technology equipment intended to be installed in an OUTDOOR LOCATION.The requirements for OUTDOOR EQUIPMENT also apply, where relevant, to empty OUTDOOR ENCLOSURES supplied for housing information technology equipment to be installed in an OUTDOOR LOCATION. 6 q9 L& T; H8 O5 b3 {/ H , J5 J. N" i3 M( l1.2 Additional requirements5 S% h& w1 H1 i" n
Each installation may have particular requirements. Some examples are given in 4.2. In addition, requirements for protection of the OUTDOOR EQUIPMENT against the effects of direct lightning strikes are not covered by the standard. For information on this subject, see IEC 61024-1 NFPA 780 or CAN/CSA-B72.作者: 萱宝 时间: 2011-1-8 22:40
LED 屏可以申请950， 如是用于户外， 按照950-22考核， ; `& {! \6 V, s: \4 W ]6 r: w+ e-22考核的项目有，" n& M. z$ N, I& i- `
密封圈在紫外线处理后进行拉伸试验' F4 ]+ W) \7 {( Q) `. O
塑料外壳需要有UV认证1 K3 W3 |! q3 |& ], g' _
金属外壳要考虑腐蚀 ) n$ C" e. u' x$ f整机的防水防尘 4 n$ E( d' d4 }9 h2 S低温处理后的撞击试验作者: woshiqq 时间: 2011-1-26 12:47
我记得ul 60950-22，里面有说还要考虑UL 50的1 L6 D' C8 l5 ]( L" F! O) v( P8 y% X2 U
如果按照这个标准做，恐怕只能做UL了。5 @ a* F; W4 I- f5 E
因为ETL没有60950-22， ul50的测试能力作者: michaelqi 时间: 2011-2-23 17:44
UL要做UL 48
