UL 466-1999
电表刻度

UL Standard for Safety Electric Scales


说明:

  • 此图仅显示与当前标准最近的5级引用;
  • 鼠标放置在图上可以看到标题编号;
  • 此图可以通过鼠标滚轮放大或者缩小;
  • 表示标准的节点,可以拖动;
  • 绿色表示标准:UL 466-1999 , 绿色、红色表示本平台存在此标准,您可以下载或者购买,灰色表示平台不存在此标准;
  • 箭头终点方向的标准引用了起点方向的标准。

 

 

非常抱歉,我们暂时无法提供预览,您可以试试: 免费下载 UL 466-1999 前三页,或者稍后再访问。

点击下载后,生成下载文件时间比较长,请耐心等待......

 



标准号
UL 466-1999
发布日期
1999年03月25日
实施日期
废止日期
中国标准分类号
N22
国际标准分类号
17.220.20
发布单位
US-UL
被代替标准
UL 466-1994
适用范围
1.1 These requirements cover portable scales, including counter, jewelry, grain, floor and other electronic scale designations. These scales are ordinarily of the computing type, that are rated 250 volts or less. These scales consist of an attachment plug, a length of flexible cord, a switch, one or more lamps, lampholders, ballasts if electric-discharge lamps are used, and associated internal wiring. They are intended to be used in accordance with the National Electrical Code, NFPA 70. 1.2 These requirements do not cover scales involving electronic computing features or electrical features such as motor-operated components, relays, and provision for permanent connection to the power supply. Such scales are evaluated under the applicable requirements in the Standard for Information Technology Equipment, UL 60950. 1.3 Deleted April 28, 2004. 1.4 In this standard, portable equipment is defined as equipment that can be easily moved from one place to another in normal use.




Copyright ©2007-2022 ANTPEDIA, All Rights Reserved
京ICP备07018254号 京公网安备1101085018 电信与信息服务业务经营许可证:京ICP证110310号