标题: UL 153 这个灯要做cls 159 mouting means test 吗？ [打印本页] 作者: BV211 时间: 2013-4-13 12:51 标题: UL 153 这个灯要做cls 159 mouting means test 吗？ UL 153 这个灯要做cls 159 mouting means test 吗？这个算弹簧吗（就一个铁线）？ ! Q% a% O! T$ B q( a159.1.1 A clamp-on unit relying on a spring-actuated clip for securement shall be subjected to the test * F; f: A9 `# Wdescribed in 159.2. Compliance criteria is described in 159.3.. g n; h* u2 H
159.2 Test method& A- j( b% y- b& Q2 R6 o, y6 N
159.2.1 The test is to be conducted as follows: 1 ^/ r+ T/ @" {8 ?0 @a) The unit is to be clamped to a smooth vertical unpainted metal surface 1/16 inch (1.6 mm)& q% \$ u3 ^" `5 s1 g
thick. A weight equal to the weight of the unit is to be attached at the point where the clamp is0 O% I5 i' S4 B8 P7 _& z9 F
secured to the unit. See Figure 159.1.* M9 \7 Y+ U/ h2 q
b) The test is to be repeated with the unit clamped to a smooth, unpainted pine wood surface8 b" y6 V. _6 D r( Y
1-1/2 inches (38 mm) thick.8 H. @; r) P* d0 l8 O( E
c) For each of the above conditions, the weight is to be applied gradually and maintained for% l- h( @1 E1 x/ C5 R
one hour.( W: b# `0 l/ O$ M' I; @ 作者: stey 时间: 2013-4-13 13:04
需要做，有弹力驱动的装置都适合，不仅仅是弹簧。作者: Jason020 时间: 2013-4-13 13:12
要做的，多数情况下这个测试还是比较难过的。作者: vickywu 时间: 2013-4-13 14:22
Required作者: BV211 时间: 2013-4-13 15:16
是呀，今天有一灯打了UL 标签，夹不到38mm。问下这个力要多大，才能算夹38MM 呢？ 如果你很费力很费力的才夹到38MM,算是PASS 吗？