Wet heat test of environmental test method for communication electro-acoustic device

Wet heat test method of communication electroacoustic device environment test method 1: 1. Put the unpackable test sample in a high and low temperature and humid test chamber having a temperature of 30 ° C, a temperature rose 60 ° C in 2 hours, and the relative humidity is raised to 95%, and the maintained 6 h will be held under this condition. 2, the temperature dropped to 30 ° C in 8 h, during which the relative humidity was maintained above 85%. 3, when the box temperature reaches 30 ° C, the relative humidity rises to 95%, which is maintained at this condition. 4. Repeat the above three tests to carry out 5 or 10 cycles. 5. Test samples are taken out in a high and low temperature and humid heat test chamber. The results specified in the product detailed specification were completed in the detailed specification of the product detailed specification in 5 min and recovered for 2 hours, and the result should be in accordance with the requirements of the product detailed specification. Wet heat test method of communication electroacoustic device environment test method 2: 1. Put the unpackable test sample in a high and low temperature humid test chamber having room temperature, so that the tip temperature is raised to 40 ° C in a mean rate of less than 10 ° C / min, while the humidity in the box is adjusted to 95%, at the test The sample reached a temperature stabilization to keep 96h. 2. Remove the test sample and complete the test of the project in the detailed specification in 5 minutes and restored after 2 hours, and the result should meet the requirements of the product detail. The above wet heat test method is to press SJ 20128-1992 [Communication Electroacoustic Device Environment Test Method]. Technology area As a robotic country, Japan has greatly achieved in 2017, and with the country Use digital technology to improve new trends in safety Industry 4.0 Special Note Review The world's manufacturing industry four major migrations, innovation is an important driving force for promoting the migration of manufacturing industry Hannover Industrial Expo officially kicked off, nine industrial German Industry 4.0 is the most red

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