DIN EN 60068-2-40:2000 环境试验.第2部分:试验.试验Z/AM:低温/低气压综合试验
Environmental testing - Part 2: Tests; test Z/AM: Combined cold/low air pressure tests (IEC 60068-2-40:1976 + A1:1983); German version EN 60068-2-40:1999
The document deals with combined cold (with gradual change of temperature) and low air pressure tests for both heat-dissipating and non-heat-dissipating specimens.