How to choose a humidifier? Look at these five core technical indicators!colorful humidifier

　　In winter, especially after the heating period starts, the indoor air humidity decreases. Many people feel dry throat and skin, and static electricity is constant when changing clothes. Most families use humidifiers to increase the humidity in the room. What technical indicators should you pay attention to when purchasing a humidifier? The longer the humidifier is turned on, the better? Can the humidifier use tap water? Recently, Shanghai Municipal Market Supervision and Administration Bureau issued tips on how to correctly purchase humidifier products and how to correctly use humidifiers in winter.

　　According to GB/T 23332-2018 Humidifiers, these products can be divided into four types according to the humidification method: evaporation type, electric heating type, ultrasonic type and composite type. When purchasing humidifiers, attention should be paid to the five core technical indicators: humidification amount, humidification efficiency, noise, service life of core components and auxiliary functions.

　　Humidifying capacity

　　The humidification capacity is reflected not by the presence or absence of white fog, but by the rated humidification capacity of the product. The rated humidification capacity is the most important parameter of the humidifier, which is directly related to the size of the space used and the increase of ambient humidity. The higher this value is, the stronger the humidification capacity is, and it is also suitable for larger rooms.

　　humidification efficiency

　　Humidification efficiency refers to the amount of humidification generated by the unit power consumption of the humidifier. The unit of humidification efficiency is milliliter per hour watt (mL/h · W), which reflects the amount of humidification generated by the unit power consumption. It is an important indicator to measure the performance of the humidifier. Generally speaking, the higher the humidification efficiency, the better.

　　noise

　　Generally speaking, 30~40dB is a relatively quiet normal environment, and the noise of humidifier is appropriate within this range.

　　Service life of core components

　　The core components of different types of humidifiers are different, including heating body, ultrasonic oscillator and runner humidification film. With the use of the humidifier, the efficiency of these components that have the greatest impact on the performance will continue to decline, and the humidification capacity will also decline. Therefore, the service life of these core components should also be concerned when purchasing humidifiers.

　　Auxiliary functions

　　Today's humidifiers not only focus on humidification, but also are very ambitious and constantly develop new auxiliary functions. Some humidifiers have the function of reducing water hardness, and some humidifiers have the function of humidity display. Generally speaking, the use of ion exchange resin to remove calcium and magnesium ions in water can alleviate the problem of "white powder" of humidifier. However, the ion exchange resin has a certain service life and needs to be replaced regularly.

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