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source:Industry news release time:2022-04-06 Hits: Popular:aromatherapy diffuser direct sales
How to distinguish between good and bad air purifiers?
filter level
Different filter levels have different purification effects. The higher the level of HEPA mesh, the smaller the diameter of fine particles that can be filtered, and the better the actual filtering effect.
Gas cleaning amount
The larger the air cleaning capacity (CADR), the larger the total area of the air purifier, and the greater the frequency of the purification cycle system. The national standard is 5 cycles per hour. For example, if there is an air purifier, its clean air volume is 450m3/h. Calculated based on the house height of 3 meters, the total area available for the air purifier is: 450÷5÷3=30 square meters. When purchasing, it is necessary to consider whether the total cleaning area of the air purifier is consistent with the total area of the house. If the total cleaning area is lower than the total area of the house, the estimated actual cleaning effect will not be achieved. Therefore, it should be as much as possible. Buy an air purifier with a large amount of gas cleaning.
High purification efficiency
The high efficiency of one-time purification of commodities = (number of particles in the air inlet? The number of particles in the air inlet)/the number of particles in the air inlet, the actual effect of one-time purification can visualize the quality of the product and the actual effect of purification.
Safety factor - secondary pollution
Air purifier manufacturers using electrostatic precipitators and air purifiers with pure negative air ion technology will cause active oxygen, which is often referred to as the problem of secondary pollution of air purifiers. A certain amount of active oxygen can eliminate germs, pathogens, and dissolve vaporous air pollutants, but too much active oxygen is harmful to the human body, harms the lungs, causes asthma, and can cause carcinogens in serious cases. At this stage, the most safe and efficient technologies are HEPA mesh technology and activated carbon technology. Electrostatic precipitators and pure crushed positive ion technology will both cause active oxygen. When purchasing, you should choose HEPA mesh filtration. and air purifiers with activated carbon technology.
noise problem
The noise problem is a problem that is often encountered in the whole process of the application of air purifiers. When purchasing, the noise problem should be considered from the following three aspects: whether the sleep mode can really achieve super sound insulation; Whether the noise caused by the exhaust air volume can be tolerated; whether the noise in the fully automatic mode can be accepted. Some purifiers use AC brushed motors, ultra-sound insulation motors, and additional sound insulation cotton technology, which can reduce noise reasonably. When purchasing, you can give priority to air purifiers that use these two sound insulation technologies.
Power consumption problem
Under the same actual effect of purification, the smaller the output power of the air purifier, the less power consumption. In addition to the output power, some air purifiers set up a fully automatic mode, which can automatically adjust the exhaust air volume according to the conditions in the room, so as to save electricity and increase the service life of the filter. It is possible to choose an air purifier with a fully automatic mode.
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