Hearing aid placed in a drying box night, don't put it in direct sunlight, should avoid high temperature, high humidity environment, try to avoid collision.

This text introduces DJM10 humidity examination box should notice the problem while calculate hygrometer (form) and how to raise the working efficiency, as well as assurance data quality.

Change the location of detecting head of humidity control gauge in standard curing box and standard curing room so as to efficiently control humidity of standard curing box and standard curing room.