3．Definition定义： 无 4．工作指引：
4.1 test environment测试环境：
Test temperature测试温度：130 ± 4 °F (54° +3/-2C)；
Test humidity测试湿度：Do not control humidity during test測試中不得特意控制或影響濕度；
4.2 Test equipment测试设备：
An environmental chamber or oven capable of maintaining the test environment
可以维持4.1中要求的测试环境的测试箱。
4.3 Procedure测试步骤：
4.3.1 Inspect product’s aesthetic, function and package, make sure products are acceptable and package is correct.检查产品外观、功能及包装，确认潮湿测试前产品合格及包装正确。
4.3.2 Pack sample back according requirement.将产品按规格要求包装起来。
4.3.3
Place sealed master cartons in the chamber for 48 ± 1 hours.将产品放入测试箱中24 ± 1小时。
4.3.4将产品在室温下保持至少5小时。Remove the product from the master carton and allow to stand at room temperature for a minimum of five hours before evaluation or additional testing.
4.3.5进行产品评估。Evaluate test sample.
4.4测试要求Performance Requirements：
产品保持所有功能、外观特色、正常使用及滥用要求。Must meet all functional, aesthetic feture use and abuse requirements.
