First, the sale is the hot Huawei Hilink's product 720 air purifier and new version
At the Huawei "AI Life Quality Quality" Tasting Conference early in December, the Huawei Zhigi ecological product produced by Zibo Company 720 full-effect air purifier is large, up to 500m3 / h particulate matter CADR and The formaldehyde CADR of 200 m3 / h did not forth in the same price at the same price, until today, this product is still selling hot in Huawei Mall.
Although a 720 full-effect air purifier has a very high air purification area, many families prefer to purchase a high-power air purifier, more inclined to buy multiple stones, smaller noise The purifier is placed in various rooms. Therefore, it is a matter of course for a mini version to meet the purification needs of the small room.
Therefore, as a mini version of the 720 full-valued air purifier sold, Huawei Hilink 720 full-effect air purifier C400 came into being. The shape is smaller, the bottom area of 260 × 260 is close to A4 paper size, and the height of 520mm can be perfectly hidden in the corner. It is still a strong, 48m2 rooms are more than enough, PM2.5, formaldehyde, odor, pollen, killing alone, negative ions. .. This has a lot of features.
As Huawei Hilink products, it has grown in Hilink. Remote remote control, app view status, and make an appointment start. This powerful air purifier is more convenient than traditional air purifiers. It can even be able to link other devices in the home to realize automated home environment management.
So what is this small and powerful air purifier? The following is our detailed review.
Second, the appearance: the simple design of the design is small but a lot
Get 720 full-effect air purifier C400, we will find it is really very small.
The front surface of the body, complete integrated design, LED digital screen is hidden under the white case, and the extinguishing state can not be seen. Above it is an indicator light sign, below 720 company LOGO.
There is a grille protection at the top. We can see that the operation buttons and indicators are also focused here.
Control panel and indicator close-up. The status indicator of the two children's locks and the filter element. Also, the networked situation, sleep mode, automatic mode, manual gear, power supply touch buttons and indicators.
The fuselage is opened in the side and the back. It can be seen that more than half of the height is provided with intake holes to ensure that the big air volume under such design is ensured.
The bottom of the back is the power interface.
Take the filter element, the barrel filter is in the form of the filter element used by many manufacturers, it is very easy to install and disassemble.
The LOGO logo of 720 can also be seen on the filter element. The core of the filter element is a activated carbon clip, and the harmful substances such as formaldehyde are all rely on it.
Hidden design laser sensors. The PM2.5 concentration can be accurately measured to draw air quality.
Third, experience: powerful Huawei Hilink bless a variety of modes for you to choose
720 The full-effect air purifier C400 can use both the top handling panel control in the case of unneasted network, or use Huawei's smart life app after the networked. This is the general manipulation of Internet smart homes in the Internet, which is now useful, and it is naturally particularly convenient to use.
The author uses Huawei Smart Life App to be connected to the air purifier through WiFi, and finally see his handover interface. After booting, the LED screen of the positive purifier will illuminate, display the current PM2.5 value, and use the color of the above indicator to indicate the pollution condition, and the change of the color We will explain one by one by detail.
The APP interface, you can see the air condition of the current room, the filter element of the air purifier, and the amount of purified air.
In the working mode of the purifier, the 720 full-effect air purifier C400 provides three modes, namely sleep mode, automatic mode, and manual adjustment mode. And its adjustment mode is not stepless adjustment, but is divided into four gear. The wind speed under the minimum gear is the same as the sleep mode, and the maximum noise under the highest speed.
In addition, there are some functional setting buttons. Like the sterilization button, controlling the switch of the ultraviolet light; the negative ion button is controlled by the switch of the negative ion generator; the screen is controlled is the switch of the various indicators of the purifier body. In particular, smart switch and child lock functions are extremely practical in home use.
The intelligent switch can automatically activate the air purifier when contaminated to a certain degree.
Fourth, noise, PM2.5 test: sleep mode noise is extremely low air purification "fine silence"
Like most air purifiers, the largest noise control of 720 full-effect air purifier C400 is on the national noise requirements for the residential area - 66dB. After all, for filter air purifiers, if you want more purification, you must run more high speed, and the resulting noise is even greater. So, in the design, the noise of the largest file is just in line with the national line, and the maximum air purification efficiency is also affordable.
However, the biggest file is often not used. After all, even if it is 66dB of national standards, it is also an irritating noise. Therefore, the author is more concerned about how the noise in this mode is like sleep mode.
- actual noise test
First turn off the air purifier test environment noise, 33.3 dB.
Then we use sleep mode tests. Noise increased to 36.2 dB, 3 decibel changes only with both bisers difficult to wait, the noise control in sleep mode is extremely low.
Since the automatic mode is the automatic switch of the manual mode according to the automatic switch of the pollution, so we only test the noise of the four gear of the manual mode.
A wind speed, a small noise is very similar to the wind speed of sleep mode.
The two-stage wind speed, noise starts to increase, reaching 47.5 dB.
The three-speed wind speed, the noise is obvious, reaching 55.4 dB.
The four-stage wind speed is also the largest wind speed. At this time, the noise is maximum, with 65.8 dB.
720 The positioning of the full-effect air purifier C400 is the full range of air cleaning in the small room. From the paper parameters, the particulate matter CADR and 120 m3 / h of the above-up to 400 m3 / h is sufficient to complete the air cleaning task of the small room. But what is the actual performance? Although the formaldehyde test we did not have experimental conditions, the simple test of PM2.5 can still be done. The author decided to experiment with a simple test.
Air quality grade standard
- Automatic mode air purification test
The author uses a simple and rude method - burning incense to increase the PM2.5 concentration of the small room. At the beginning of the experiment, the PM2.5 concentration of the room was only 36 μg / m3.
After only ten minutes, PM2.5 concentration reached a 269 contaminated. At this time, open the air purifier, use the automatic mode, and detect serious pollution levels, and its wind speed is also in the largest quadrature, noise reaches 64.8 dB.
The full speed of operation is close to 3 minutes, and the pollution level has dropped to a range of light contamination of 114 μg / m3. At this time, the fan noise is small, drops to 55.5 dB, and enters the three-speed wind speed.
After starting purification, the pollution level continued to drop to 74μg / m3 to achieve a good level. The wind speed continues to be adjusted to 2 gears, and the noise is also reduced to 47.7 dB.
After 9 minutes, the PM2.5 concentration drops to 33 μg / m3. At this time, the air quality has returned to excellent level, and the wind speed is also reduced to a file, and the noise is almost no, only 35.8 dB.
In the test, we have many interesting discovery. The logo and number of the fuselage are displayed when using the degree of contamination, by red to green, so that you can easily determine whether pollution is serious.
The adjustment of the automatic gear mode is actually based on the air quality standards to select the wind speed of different gear. When contamination reaches moderate pollution and above, the 4-speed wind speed will be used, and the latter is lightly polluted, good, and each level corresponds to a wind speed.
Under the level of severe pollution, the PM2.5 concentration is reduced from 269 to 33, 720 full-effect air purifier C400, only for half a minute, and half of this, in the low-speed low noise mode.
It can be said that this air purifier is comparable, and performance is still powerful. After using powerful purification capacity, the sedimentary level is rapidly reduced, and the 720 full-effect air purifier C400 uses low noise modes close to the environmental noise, continuous purification, and maintains the clean.
It can even be said that if you use the app remote control, open the 720 full-effect air purifier C400 before going home, wait for you to arrive at home, welcome you, will be clean air and one is almost noise. The air purifier truly achieved the experience of purifying the "fine silent".
V. Summary: a small and powerful full-effect air purifier
The mini version of the 720 full-valuable air purifier as a selling hot, 720 full-effect air purifier C400 still maintains the powerful air purification capability. 400 Particles CADR and 120 formaldehyde CADR ensure that it can quickly and efficiently complete cleaning of closed space air, which enters low noise mode to provide users with a comfortable experience. In addition, such a function of anti-virus, negative ion purifies air, which is also a lot.
It can also be seen by testing, although the noise in the 4-wheel wind is indeed large, but the cleaning efficiency is also the highest. In 3 minutes, the degree of air pollution in the room will drop to mild, five minutes to achieve good air quality, which can greatly reduce our exposure time in a harmful environment. Then, the noise entering the low gear is almost impossible, and the silent and interests maintain the cleanliness of the ambient air.
And its body is really small. The base 260 × 260mm, height is 520mm, the area is close to a A4 paper, and the height is the same as the bedside table. You can do it perfectly in the corner or match your home. After all, small, it is to do whatever you want.
Small and powerful, this is my most intuitive feeling of 720 full-effect air purifier C400. And after our test, its performance is true. I believe that in such a small body shape, powerful performance is external to HiLink's common action, it will give you the best air purifier experience.
Editor in charge: WV, read full text
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