1. Temperature: RT+5~55 ℃ (adjustable);

2. Relative humidity: not exceeding 85% RH;

3. There is no strong vibration around;

4. No direct sunlight or direct radiation from other heat sources;

5. There is no strong airflow around, and when the surrounding air needs to flow forcibly, the airflow should not directly blow onto the box;

6. The test box should be placed steadily and kept level, as the upper part of the box is sealed with water to prevent salt spray from overflowing;

7. There should be a certain distance around the salt spray box to facilitate maintenance operations;