The difference is as follows:
1, hydration meter use object is human, humidifier use object is building.
2, hydration meter is a beauty instrument, the main function is to deep hydration and clean the skin, to solve the dry skin, excessive oil secretion and other issues; and humidifier is a household appliance, the main function is to humidify the designated room, to solve the dry air, too much dust in the house and other issues.
3, hydrator application range is small, is currently mainly used in beauty care, health care; humidifier application range is broader, in industrial production, scientific experiments, cold storage freshness, cultural relics preservation and so on have applications.
Overall, the hydrator and humidifier in the use of the object, functional efficacy, the scope of application are quite a few differences, the hydrator is more personalized, easy to carry along with the voice, the humidifier can be used in the family collectively, *** with the benefit.
Source of Reference Baidu Encyclopedia - Humidifier
Source of Reference Baidu Encyclopedia - Hydration Instrument