序言本专门出版物是根据CAN/CSA-C22中的要求编制的。2第231号系列-M89，CSA电气和电子测量和测试设备的安全要求。它为用户提供了检查表和测试包，以确定他们是否符合CAN/CSA-C22的要求。2号231系列-M89。本出版物中使用的条款编号与CSA标准C22中的条款编号相似。2号231系列-M89。注释栏中的字母“T”表示需要进行试验，以符合CSA标准。 本特别出版物由加拿大标准协会编制，旨在协助任何利益集团，如电气和电子测量和测试设备的制造商和用户，评估是否符合CSA标准。

PrefaceThis Special Publication was prepared using the requirements in CAN/CSA-C22.2 No. 231 Series-M89, CSA Safety Requirements for Electrical and Electronic Measuring and Test Equipment.It provides users with a checklist and testpack to determine if they comply with the requirements of CAN/CSA-C22.2 No. 231 Series-M89. The Clause numbering used in this publication parallels th at in CSA Standard C22.2 No. 231 Series-M89. The letter ""T"" in the comment column denotes that the test is required in order to comply with the CSA Standard.This Special Publication was developed by the Canadian Standards Association to assist any interest groups, such as manufacturers and users of electrical and electronic measuring and test equipment to evaluate compliance with the CSA Standard.