What are the precautions for ultraviolet air disinfection

1. Keep the surface of the ultraviolet lamp clean and wipe it with an alcohol cloth once a week. If dust, oil stain, etc. are found on the surface of the lamp, wipe it at any time.

2. When disinfecting indoor air with ultraviolet lamp, the room shall be kept clean and dry. When the temperature is lower than 20 degree or higher than 40 degree and the relative humidity is greater than 60 percent , the irradiation time shall be extended appropriately.

3. When ultraviolet ray is used to disinfect the surface of the object, the surface of the disinfected object shall be fully exposed to ultraviolet ray.

4. When ultraviolet ray is used to disinfect rough surfaces such as paper and fabric, the irradiation time shall be extended appropriately, and both sides shall be irradiated.