[PConline Professional Evaluation] The fog and haze weather has become more and more frequent and the air purifier has received unprecedented attention and has become more popular. In the past, the most important indicator for evaluating the performance of air purifiers was CARD (Clean Air Volume), which is the volume of clean air that an air purifier can remove every hour. There is a major flaw in this indicator, which is that the speed of purification is very fast, but the problem is how long can it be maintained? Some purifiers provide only a thin piece of filter screen, and the severe haze in Beijing can not be scrapped for months. In this regard, the National Standards Committee has approved the release of the newly revised "Air Purifier" national standard, will be formally implemented on March 1. The new standard clarifies that the basic technical specifications of air purifiers are “clean air volume†(abbreviated as CADR value) and “accumulated purification volume†(abbreviated as CCM value), taking into account the “purification capacity†and “purification capacity†of air purifier products. Persistent". Today, PConline evaluation room gives us a review of the Tower air purifier released by the Eraclean brand. You can not underestimate this product. It is one of the first products to pass the new national standard.
When it comes to the EraClean brand, its project promoter, Guo Guodong, may not know it, but when it comes to “what it is worth to buy,†I believe that many people have the impression that Ruan Guodong is also the founder. He introduced EraClean in this way. “This brand consists of two words. Era is the era and the era. Clean is clean and clean. We hope to use this brand to help consumers solve environmental problems and bring consumers a clean era."
Appearance and details
TOWER air purifier in addition to the selection of materials, the design philosophy is scientific and reasonable, the user experience is not missed every detail. The medical-grade casters have been selected to ensure smooth and quiet rolling on any material surface. It is particularly worth noting that the product has selected a full-view IPS screen that is rare in the home appliance industry on the user interface. Achieve maximum viewing angle, make all kinds of information at a glance, and with physical buttons. The button-based operation method of equipment-level products is intertwined with the familiar digital product screen view, providing users with the most unique interactive experience.
After getting this product, I found that the TOWER air purifier was much larger than the average air purifier, so it was difficult for one person to move. TOWER air purifiers are 390*390*865mm. It adopts tower structure design. The fan is at the top and the middle is a total of four drawers. The standard three-layer filter (the bottom layer is empty and can be equipped with filter) . This product is a rectangular design, so the four corners will be easier to bump, I hope the user a little attention.
There are four pulleys under the TOWER air purifier, which are linked in pairs. Press the button on the pulley to fix the two corresponding pulleys. The air inlet of this product is at the bottom, air is inhaled from the low, and it is discharged high, effectively purifying the pollution gas that sinks to the bottom. Because it is a pulley design, sliding on the floor tiles will not scratch, but when moving indoors, the effect of the pulley is not obvious, and there is a loss.
The top part provides an IPS display, and the display effect is very delicate. This can be said to be rare in the field of home appliances, and even people think it is a touch screen. In fact, this screen requires 5 buttons on both sides to operate, the left side can control the up and down selection, and the right side is the mode selection key, menu key and power key. The screen display is very delicate, and the screen shot is enlarged to 100% and only tiny pixels can be seen.
The air outlet of the TOWER air purifier is at the top. The figure shows that the air outlet has a protective fence to prevent direct contact with the air outlet. The manufacturer's design is very intimate. However, the author believes that there is a large gap in the protection bar of the air outlet, and the hand of infants and young children can still pass. Here, the manufacturers can improve it in an appropriate manner and avoid accidents.
The lower left side of the fuselage is an air quality detection port. The dust sensor supplier is Shinyei Kogyo Co., Ltd., which provides a dust sensor with the best stability and sensitivity. To provide users with the most accurate indoor air quality changes. Users need to regularly open the use of dry cotton swabs to maintain a highly accurate inspection of their cleaning.
There is a PUSH button on the left and right sides of the TOWER air purifier, which is used to dismantle the purifier. Press the left and right buttons simultaneously and lift it up slowly. The top layer of the TOWER air purifier will be separated. Then the middle filter can be separated layer by layer, in the next page I will have a simple removal of the top video.
Summary: The overall style of TOWER air purifier is sharp and angular. There are function buttons and display screens on the black top cover. The ebmpapst imported German dc fan with high industrial cost is used for the selection. It guarantees the purifying effect during the actual use. At the same time, it also achieved a balance between silence and power consumption. It does a good job in terms of details. Buttons, pulleys, and outlets are very human. If we can improve a little, it is even more perfect.
Filter system dismantling
The Tower air purifier launched by the EraClean team, which is currently the top-of-the-line air purifier in China, adopts a tower structure and is equipped with a three-layer filter including a H13 high-efficiency HEAP filter. The CADR value of the particulate matter is At 513.9 cubic meters per hour, the CADR of formaldehyde is 227.0 cubic meters per hour, and the CCM value exceeds the new national standard by 15 times.
Tower Air Purifier Top Disassembly Video:
The bottom half of the TOWER air purifier and its shape like a drawer are different filter layers.
From the bottom to the top, they are E10 medium efficiency filter + high efficiency activated carbon filter + H13 high efficiency filter combination. The expanded area of ​​the filter is 10m2, and the activated carbon filter layer also reaches a weight of 3kg. The medium-efficiency filter and the high-efficiency filter have all adopted a double-layer filter integrated structure, which not only ensures a larger expanded area of ​​the filter, but also effectively curbs the proliferation of bacteria and other microorganisms accumulated during the use of the filter. The possibility of breeding from the air inlet surface to the outlet surface avoids secondary pollution.
At present, most air purifiers use an initial effect filter, which can filter out large dust particles, hair, pet dander, mold and other substances. It can block the entry of larger particles and can extend the effect of the HEPA filter. At the same time, users can periodically remove the cleaning cycle and reuse it.
E10 medium-effective filter can effectively filter dust, bacteria, allergens and other particulate matter to protect the post filter. E10 filter, double structure, filtration efficiency ≥ 90% The material is electrostatic melt-blown PP + PET, weight 0.9 kg, size is 318 mm * 318 mm * 113 mm, unfolded area of ​​4.2m2. The recommended replacement period is 3-6 months (please refer to remaining health and filter replacement prompts, and according to actual conditions, timely replacement)
High-efficiency activated carbon filters can efficiently absorb and decompose harmful gases and odors such as formaldehyde and toluene. Its specification parameters are CADR formaldehyde 227 m3/h and CCM formaldehyde F4 (>5000 mg). The high-efficiency activated carbon filter is made of high-performance modified activated carbon, weighs approximately 3.0 kg, and measures 318 mm * 318 mm * 113 mm. It is recommended that the replacement cycle be 3-6 months (please refer to remaining health and filter replacement tips, and According to actual use, timely replacement)
H13 high-efficiency filter can effectively filter dust, bacteria, allergens and other particles above 0.01 microns. Its specification parameter is H13 filter, double layer structure, filtration efficiency ≥ 99.95%, material is imported electrostatic melt-blown PP+PET, weight is about 1.1 kg, size is 318 mm * 318 mm * 113 mm. Its unfolded area: 5.8m2, the recommended replacement period is 6-12 months (please refer to the remaining health and filter replacement prompts, and according to the actual use of the situation, timely replacement)
Summary: The various air filters in the Tower air purifier are very complete, and its design is also very clever. This is also the top-of-the-line air purifier made in China. It adopts a tower structure and is equipped with H13 class HEPA filter. The three-layer filter, including the net, has a CADR value of 513.9 cubic meters per hour, a formaldehyde CADR value of 227.0 cubic meters per hour, and a CCM value exceeding the new national standard by 15 times. Although the appearance is a Big Mac, it is very easy to disassemble, and the difficulty of cleaning and replacement is very low.
Purification capacity test
Ordinary home indoor purification effect is the key to determine the quality of air purifiers, this time we choose 25 square simulated home environment for testing. After igniting four cigarettes in a closed room to make it fully burned, second-hand cigarettes fill the room. Using the tester to test the PM2.5 index in the air, PM2.5 was measured every 10 minutes to check the time effect of this air purifier at different times.
After the cigarette burned, the odor diffused into the room. Using the air quality tester, the indoor air pollution index found that PM2.5 was as high as 230424, which was a very heavy level of pollution. When I entered the test room, I felt that my breathing was not smooth and the air was very turbid.
Turn on the air purifier for testing
The air purifier is turned on, the wind speed is adjusted to the maximum gear mode for purification test, and the simulated home environment is checked every 10 minutes.
After 10 minutes of decontamination, the air quality in the room has clearly improved. The 0.5 μm particle concentration of PM2.5 has dropped to 137,001.
After 20 minutes of decontamination, the air quality of the room is already in good condition. The 0.5 μm particle concentration of PM2.5 has dropped to 44481.
After 30 minutes of purification, the air quality of the room has reached a good state. The 0.5 μm particle concentration of PM2.5 has dropped to 14097.
Using the detector to test the change in the concentration of the particulate matter in the room, it was found that the TOWER air purifier's ability to purify the 0.5-micron particles was reduced to a healthy level in about 30 minutes.
Summary: As can be seen from the above picture, the PM2.5 index for the ten minutes is 137001, the PM2.5 index for the twenty minutes is 44481, the PM2.5 index for the thirty minutes is 14,097, and the PM2.5 index for forty minutes. It is 4809. At thirty minutes, the test space had almost no smell of cigarette burning. In the later period of time, the air quality was estimated to be even better than before the cigarette burned. In general, the purification efficiency of the TOWER air purifier is still very good.
Airflow and noise tests
Air volume test
Tower uses an ebmpapst DC blower originally imported from Germany to ensure that in the state of multiple filters, the air volume can be quickly filtered without reducing the air volume. Xiao Bian found out that the design of the outlet of its air duct adopts an upward slope and a method of air outlet around it to make the indoor air flow rapidly. Since this air purifier uses a continuously variable speed fan, there are no specific gears so we use 5 wind speeds for comparison. And use the outlet side for testing. Although it does not show the amount of wind that actually exits the wind, it can feel the effect of wind on one side of it.
Eraclean air purifier with side air outlet test
The air volume at the 100m3/h range is 0.8m/s 200m3/h The air volume at the stall is 1.0m/s 
The air volume at 300m3/h is 1.29m/s 400m3/h, and the air volume is 1.43m/s. 
The air volume at the 500m3/h range is 1.72m/s Noise test
Good air purifiers need not to produce unpleasant noise at the same time as they have excellent purification ability. Especially when working at night, this function is particularly important. Therefore, the importance of noise testing is particularly prominent. Here is a test of TOWER air purification. The operating noise is emitted when the air volume is 100m3/h, 200m3/h, 300m3/h, 400m3/h, 500m3/h. (The maximum wind force is 500m3/h.)
Eraclean Air Purifier Noise Test
Noise test at 100m3/h air volume is 48.3db(A) Noise test at 200m3/h air volume is 49.1db(A) 
Noise test at 300m3/h air volume is 54.1db(A) Noise test at 400m3/h air volume is 59.7db(A) 
Noise test at 500m3/h air volume is 66.1db(A) Summary: In the test process, TOWER air purifiers emit low operating noise at low air volume, and the output air volume is not weak, and the performance is very prominent. At the maximum working air volume, the TOWER air purifier emits a slightly larger operating sound, but the body does not have any noticeable shaking and is within an acceptable range.
Power test and summary
Power test
The air purifier must be used for a long time, so the power when using it is particularly concerned. This time we selected the air volume of 100m3/h, 200m3/h, 300m3/h, 400m3/h, 500m3/h for testing. Test them separately to see how much power they are working on.
Instantaneous power at air volume of 100m3/h is 8.74w Instantaneous power at 200m3/h air volume is 15.93w 
The instantaneous power when the air volume is 300m3/h is 28.97w 400m3/h The instantaneous power when the air volume is 56.48w 
Instantaneous power of 98.46w when air volume is 500m3/h Summary: The TOWER air purifier power consumption test performed very well when the air volume was low, but its power consumption reached nearly 100W when the maximum air flow rate was tested, which was somewhat high. It is hoped that its engineers can improve and reduce the power consumption of the maximum air volume. In the future, the product will surely become more and more outstanding.
The summary of the article: TOWER air purifier overall style angular, black top function buttons and display on the top cover, the entire outlet and air duct are designed in the upper part of the fuselage, the choice of a high cost of the industry Class ebmpapst imported German direct current fan, in the actual use of the process to ensure that the purification effect, but also to achieve a balance of quiet and power consumption. The lower part and its drawer-like shape are different filter layers, and the bottom-to-top screens are the E10 medium-efficiency filter + high-efficiency activated carbon filter + H13 high-efficiency filter screen combination. It is called TOWER air purifier because of its shape to the tower. In each test, the clean and noise air volume tests performed very well. Only in the power consumption test is a bit small gap, in general, TOWER air purifier is still an excellent product, the price of 4999, the absolute value for money.
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