Through replacing of dust-proof cover, appropriate cleaning humicap, adjusting potentiometer, most of the humidity sensors can operate normally.

通过更换防尘罩，对湿敏电容的适当清洗，调整电位器等处理方法，可使大部分超差湿度传感器恢复正常使用。

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The design and application situation about HZ type dust proof airtight cover is introduced.

简要介绍了HZ型防尘密闭罩的研究设计和工程应用情况。

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With the module cover ensures dust proof, anti-sunlight, anti-direct collision with the light emitting chip and also can reach the effect of chip protection.

模组面罩使整个屏体达到防尘、防晒、防直接与发光晶片的碰撞，并能达到保护晶片的效果；

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