19.040;29.120.20 标准查询与下载

DIN EN 60068-2-43:2004 环境试验.第2-43部分:试验.试验Kd:触点和连接件的硫化氢试验

This standard is intended to provide accelerated means to assess the effects of the tarnshing silver and silver alloys used for contacts and connections.

Environmental testing - Part 2-43: Tests - Test Kd: Hydrogen sulphide test for contacts and connections (IEC 60068-2-43:2003); German version EN 60068-2-43:2003

DIN EN 60068-2-42:2004 环境试验.第2-42部分:试验.试验Kc:触点和连接件的二氧化硫试验

This standard is intended to provide accelerated means to assess the corrosive effects of atmospheres pulltion with sulphur dioxide on contacts and connections.

Environmental testing - Part 2-42: Tests - Test Kc: Sulphur dioxide test for contacts and connections (IEC 60068-2-42:2003); German version EN 60068-2-42:2003