- 产品品牌：
- 希恩测试技术
- 产品型号：
- UL153
UL153-移动式手提灯机械操作试验装置 168A.4 Mechanical manipulation 168A.4.1 Test method 168A.4.1.1 Two previously untested samples of the portable hand light are to be conditioned for a period of 2 hours by being operated with lamps of the maximum wattage and type permitted by the marking on the units, while hanging vertically in the filament-down, lamp-base up position. Exception No. 1: For Medium Base Units – As indicated in the Exceptions to
