标准摘要
[中文适用范围]： 规定了三个测试：测试 Na：温度随规定的转变时间快速变化，测试 Nb：温度随指定变化率变化以及测试 Nc：温度快速变化，两液浴法。测试 Na 用于检测 [外文原描述]： Determines the ability of components, equipment and other articles to withstand rapid changes of ambient temperature. The exposure times to accomplish this depend upon the nature of the specimen. Has the status of a basic safety publication in accordance with IEC Guide 104.
英文名称Environmental testing - Part 2: Tests. Test N: Change of temperature