Air pollution has always been a concern. In order to reduce the harm of air pollution to human health, people are constantly thinking about solutions, such as the current popularization of electric vehicles, road restrictions, development of new energy, etc., but these are macroscopically The regulation will not be effective in the short term. So far, it is necessary to rely on air purifiers to effectively protect the human body from reducing external pollutants.
The air purifier can reduce the pollutants in a specific area to a concentration that is harmless to the human body, and the effect is quite remarkable, which is why the air purifier product is snapped up by consumers. With the implementation of the new national standard for air purifiers, China's air purifier market has gradually become more formal, and all air purifiers have a clear standard for production. However, this is also the national standard, which also limits many air purifiers that have obvious effects but no relevant standards to enter the market.
Is the CADR value the most important indicator?
The "New National Standard for Air Purifiers" defines four core indicators that affect the purification effect of air purifiers, namely CADR (Clean Air Volume), CCM (Accumulated Purification), Energy Efficiency Rating and Noise Standard. The size of the CADR determines the ability of an air purifier to clean the air, which is the most competitive product standard among merchants. However, CADR is not a perfect measure. Many manufacturers have misled the direction of consumers' choices. Many brands have pursued ultra-high CADR values ​​(clean air volume), showing the quick success and non-professional nature.
Is the air purifier high in CADR value a good air purifier?
Yes. This sentence is true according to the specifications of the indicator itself. The larger the CADR value, the more clean air the air purifier outputs. However, the CADR value is an indicator that comes out in a very good state: to output a large amount of clean air (high CADR value), first need more motor power, lower HEPA filter level (wind resistance problem).
However, the higher the motor power, the greater the noise during operation, which affects daily life. Therefore, space products can only operate in low power, so the efficiency of air purification is even lower. The higher the purification efficiency, the higher the wind resistance of the filter (the denser filter layer comes over the air), which will affect the CADR value of the product.
When testing CADR values, long-term reliability and actual usage scenarios are not considered. As usage time increases, efficiency can be significantly reduced in a few months.
Generally, the product is monitored in a small confined space with a short running time (typically 20 minutes). Such a test does not completely restore the consumer's daily use state, so that when the air purifier is in a larger space and runs for a longer period of time, the purification efficiency will be greatly buckled, and the original purification effect will not be achieved.
The CADR test only tested 10% of common contaminants and did not simulate very fine particulate matter and gaseous contaminants, which may account for more than 90%.
The CADR test is capable of detecting any contaminants, except that current standards generally only measure particulate matter (aerodynamic diameters are concentrated at 0.1-0.8 microns) and volatile organic compounds (represented by formaldehyde). AHAM also includes pollen, which is mainly for allergic people. The new national standard contains microbes (represented by Staphylococcus aureus, about 0.8 microns in diameter). The reason for choosing these contaminants is that they are representative and can be inferred for the purification ability of almost all other pollutants according to their purifying ability.
For a typical HEPA filter, the particles can be easily filtered out, which is related to the adsorption principle of the filter. For formaldehyde, simple adsorption does not solve the problem, because if the filter is not replaced in time, the formaldehyde in the air purifier filter will be redistributed into the space; for the bacteria, the environment in the filter is very suitable for growth, it is easy to It will be propagated in the filter and then spread again into the space through the air duct of the air purifier, causing secondary pollution.
Excellent air purifiers have these!
At present, the most common air purifier works basically mechanically or electrostatically. The California Welfare Air Resources Board (ARB) has classified air purifiers into two categories at the time of certification: one that uses passive physical filtration and HEPA-led filter products; and one that is classified as active technology with MVATM environmental purification technology. Headed by products that use high-order oxidation purification technology.
For MVATM products, because there is no filter structure, it does not require too much CADR value (even without the aid of a fan) to purify the air pollution of the space. It can actively produce a purification factor with extremely strong purification ability, and destroy all the pollutants in the space one by one. Moreover, the long life of the core original does not require frequent maintenance, which greatly improves the user experience.
The products of MVATM technology will not cause any harm to the human body, and can directly decompose formaldehyde, sterilize and eliminate bacteria, and settle particulate pollutants, perfectly covering the air pollution that plagues people. However, it does not produce any harmful substances after reacting with bacteria, formaldehyde, etc., so indoors do not need to avoid it when using it. Moreover, MVATM products can work 24 hours a day, can control the number of indoor colonies at a very low level, ensuring the health of indoors.
The home appliance industry has never lacked the products of the "health card", but there are not many trustworthy products. The "MVATM Environmental Purifier" launched by Huisheng can protect the health of the family in all aspects. Family health is no small matter. Do more homework before shopping and pay attention to product performance, instead of being blinded by various indicators and data of “explosive watchesâ€. Choosing a trustworthy brand and choosing a truly practical and effective product is a rational consumer behavior.
Suizhou simi intelligent technology development co., LTD , https://www.msmvape.com