Small, fast and sensitive - 360 air detection master experience
Small, fast and sensitive - 360 air detection master experience

preface



Air is the basis for human survival. Whether we live high in the temple or far away from the Jianghu, whether we are busy travelers or lazy ordinary people at home, we are breathing it all the time, and it also affects our physical and mental health in a slow and long way when we breathe and breathe. It is so important, but it is also so easy to be ignored. Until the haze frequently covers our city and invades our life from the north to the south of the Yangtze River, people seem to realize that there are fewer and fewer days to look up and see the blue sky in a year. The northern mists are the easiest to identify. They are threatening to block the sky, make flowers and plants fade, and make the building invisible. It seems that the smell of coal smoke also seeps into people's nostrils, forcing people to recall the hard days in the past. However, in most days in the south, mist is another face. They do not deliberately cover up the true color of flowers and trees, nor do they deploy too many peculiar smells to stimulate people's nerves. They are reserved and low-key, making you almost unaware of their existence. However, whether indoors or outdoors in the south or north, seeing or smelling doesn't mean that the mist doesn't exist. How can we make the mist disappear in this case and let us know what kind of danger we are in? The air detector can help us solve this problem. However, hundreds of pages of air detectors ranging from tens of yuan to tens of thousands of yuan are arranged on e-commerce websites. The laser active detection instrument with fast and accurate measurement technology is complex and expensive, while the price is cheap and moderate. The passive infrared instrument is lacking in accuracy and speed, and is particularly insensitive to dust with a diameter of less than 1 μ m. For ordinary people who are short of money, are there any products that are accurate, fast and affordable? In the past, this idea was not easy to realize, but recently 360's inexpensive laser probe air detector suddenly came out, bringing us new hope. Yes, 360, the company that kills junk viruses in computers for free, is now going to cross the border to check the junk viruses in the air.


Seeing is believing, but hearing is believing. How does 360's detector perform? The author recently participated in Lei Feng.com( //tryout.leiphone.com/ )The orienteering trial activity was lucky to get a "360 air detection master". After a full range of experience and use, the use process was recorded and the text was compiled after a number of additions and deletions. I hope it can be a reference for friends.



Unpacking


360 Air Testing Master's packaging box is completely white, with only the product name printed on the front and stickers printed with product brief information and barcode on the bottom. In addition, there is nothing else, which is extremely simple and clean. After unpacking, it can be found that the contents include detector, power plug, USB power cord and instructions.

Although I had seen the appearance of the detector when I applied before, I was still amazed when I saw the real thing as the so-called "paper has always been shallow". The PM2.5 and formaldehyde detectors that have been used before are generally rough "big head dolls" with thin handles and large heads and single colors. Instead of the traditional appearance design of industrial detection instruments, 360 Air Detection Master adopts a rounded square body, with a slightly curved surface at the junction of the upper and lower panels, a pure white background on the front and back, and a circular reflective mirror embedded in the middle of the front, The middle of the mirror is a color display screen, and the bottom of the back is a power input socket and a reset hole. The four side frames are brown wood grain integrated injection molding. At the same time, there is a dot matrix opening area on the left and right side frames. There are grid strip holes at the junction of the frame and the top cover, which are respectively used for heat dissipation and active suction. The aerodynamic structure is excellent. There is a white operation button in the middle of the top frame, and the bottom is pasted with anti slip mat. The manufacturer actually carved patterns on it. The built-in power adapter is slightly longer than the general adapter, and the rated output voltage/current is 5V/1A, which is consistent with the instructions on the skid pad of the detector.

Overall, the appearance can be given full marks. Few manufacturers thought of making the industrial testing instrument so artistic. The square corner, the mirror outer screen, the wood grain frame, and the carved underlay have made the tester more powerful. People who do not know it think it is a retro dressing mirror.



Host operation


As the saying goes, "You can't judge a person by his appearance." Whether he is a true "air detection master" or a mere frills, or whether he can make a conclusion only after practical operation experience.

Since the detector body does not have a power supply, it must be powered by an external power supply at any time to work, so the author first connected a charging bank to the power input port of the detector through the standard power line. This mode should be considered a disadvantage for the user experience. Although the size of the machine body can be reduced without power supply, the user needs to provide additional power supply. At the same time, the USB cable inserted into the power input port on the back of the machine body is very easy to fall off. Once the machine falls off, it will stop working immediately, which will cause more trouble for the user.

After the power supply is connected, the machine display screen prompts "The device is waiting for networking, please open the APP". According to the instructions, the detector will first wait to connect the mobile phone APP in the form of WIFI when it is turned on. After 90 seconds, if the APP is not connected, it will automatically enter the stand-alone mode. Then, the PM2.5 content, temperature and humidity of the air will be measured in real time and displayed on the screen. The tester currently only provides Android system APP, but the author does not have Android mobile devices on hand, so the APP experience cannot be tested this time, and will be supplemented later.

If the PM2.5 content is within the normal range, the data displayed on the screen is green, and the indicators of general quality are displayed in yellow green. If the air quality exceeds the standard, the content is displayed in red, and all contents are in large font. Under the illumination of indoor lights, the display effect of green font on the screen is very clear, and the yellow green color is more eye-catching, but the red content is somewhat blurred due to mirror reflection, but it can be seen clearly.

After the detector is turned on and enters the stand-alone mode, the screen will display the current PM2.5 value, temperature, humidity and other information by default. Press the top button to switch to the date and time display interface. The date and time displayed before the mobile phone APP synchronization is not connected is inaccurate. Press the top button twice to enter the real-time measurement mode. After the real-time measurement is completed, the main information interface such as PM2.5 will be displayed automatically. The formal actual measurement experience will be described in the next two sections.

In general, the lack of power supply and mirror reflection to cover the screen content are the two biggest defects. The lack of IOS version APP is also a short board. The rest of the switching operation modes, whether the mode exceeds the standard, etc. are in line. The color display screen also has advantages over the ordinary detector. In addition, it can detect temperature and humidity in addition to PM2.5, and has rich functions.



Family of indoor experience


Since we just started an air purifier at home, we can take this opportunity to mutually verify the actual effect of the purifier and the air detector. See the following for the specific process.

Before starting the test, put the 360 air detection master on the top cover of the air purifier, and measured that the PM2.5 value was 134. At that time, the official data released by the environmental department was 131, and the air quality obviously exceeded the standard. Therefore, the font on the screen of the 360 air detector was red, and it was slightly dim under the light. After dimming the light, it could still be seen clearly. At this time, switch the air purifier to the maximum air volume, and the time is 18:04.

After that, observe and record the readings of the 360 air detector every 10 minutes, then immediately press the button twice to measure and record the readings in real time, and after one hour of monitoring, place the tester at the air outlet of the air purifier twice in succession to measure and record the readings of the 360 air detector. See the following pictures for the detailed measurement process.

18: 15 Real time measurement data:

18: 25 Real time measurement data:

18: 35 Real time measurement data:

18: 45 Real time measurement data:

18:55   Real time measurement data:

19:05   Real time measurement data:

19: 06 Real time measurement data of air outlet:

The final 17 measured values of 9 groups are recorded as follows:

From the monitoring data and process, it can be concluded that 360 Air Testing Master is very sensitive. Without manual real-time measurement, 360 Air Testing Master will also regularly and automatically detect and display data on the screen in real time. Manual switching real-time detection speed is also very fast, which can display data in about 0.5 seconds. At the same time, according to the parameter display of the purifier and the change of the status light, it also verified that the accuracy of 360 air detection is very guaranteed.



Interior Experience Company


After completing the use experience at home, we had a special use experience for 360 air detection masters at the company on the weekend.

During actual use, it was found that the readings measured by the detector were relatively normal no matter where they were in the company's windowsill, work station, aisle, reception room, and there was no excess. This is because the company was divided into two parts from the middle, and there were five commercial tower air purifiers on both sides, which effectively guaranteed the indoor air quality, This also verifies the accuracy of the 360 air detection master from the side. The most surprising thing is that no matter where the detector is placed, its small and cute shape can be integrated into the background without violating the sense of harmony, which is amazing.

Sill test:

Station test:

Aisle test:

Lounge test:



School of Outdoor Experience


After the previous two indoor experiences of 360 Air Testing Master, this time we choose a university close to home to complete the outdoor experience of the tester. Different from the two previous indoor experiences, this outdoor experience was not smooth.

As this time is mainly for outdoor experience, in order to avoid carrying the detector in the backpack, the clothes with bandwidth coat pockets are specially worn. Although it is necessary to bring an additional charging bank, the detector is very compact and can be installed in both pockets. Considering that the detector will take nearly two minutes to initialize and connect to the mobile phone APP after starting up, and the author does not have an Android phone, in order to save time, before entering the school, he took out the power bank in advance and plugged in the power supply for the detector to ensure early start up.

I had already seen the data content on the display screen after I entered the school gate, but I was excited and shook the detector display screen. Although the charging cable was still plugged into the detector, it was obviously loose. But I had to plug in the cable again and wait for nearly two minutes to start up. After this startup, carefully press the detector and the power cord behind it with one hand to prevent it from falling off again.

After that, although the power was not cut off, the detector displayed red because the air quality exceeded the standard. In addition, the sun light was strong at that time, and the mirror screen reflected so that nothing could be seen. The detector really turned into a mirror. The picture below shows the location of the playground.

The author had no choice but to wander around the hall and corridor of the teaching building. In the dark environment of the half room, he could barely recognize the PM2.5 large character readings, but the temperature and humidity readings of the small characters were still not clear, so this experience ended early. See the following pictures for the experience process of the hall and corridor of the teaching building.



Postscript


For the measurement function of the 360 air detection master product itself, whether measured indoors or outdoors, accuracy and speed are worthy of the name, and this is also the core value of the air detector. But in addition to the core functions and the advantages of the appearance design, the power consumption mode and display mode are also really weak points. At the end of the whole experience process, the author sorted out some advantages and areas to be improved according to the records of the experience for your reference. We welcome criticism and correction, and hope that the product team will continue to work harder.

advantage:

1. Data accuracy: It adopts imported laser principle sensors, principle technology of industrial level detection equipment, patented anti-interference algorithm, and its accuracy is 30 times that of ordinary infrared dust type instruments.

2. Ingenious structure: The double side honeycomb large area air intake structure is adopted, and the accuracy can be effectively improved by 15% through the optical valley gas flow simulation.

3. Fast measurement: press the button twice to quickly display the real-time measurement results within 3 seconds.

4. Beautiful appearance: Anodized alloy process, plus artificial corrosion, radium carving process and carved silica gel foot pad, has the charm of art.

5. Portable and easy to use: small size, easy to carry, simple operation, automatic detection and data display when starting, and real-time measurement by pressing the button twice.

6. Rich functions: In addition to PM2.5, it can also detect the air temperature and humidity in real time.

Suggestions for improvement:

1. On the premise of not greatly increasing the size of the body, it is equipped with its own battery, otherwise it is only suitable for use at home, and it is troublesome to use outdoors or in public places.

2. The mirror screen is not easy to see the display content when the outdoor or indoor light is strong. In serious cases, the display content can not be seen at all. It is strongly recommended to improve, otherwise, the mirror screen can only be used in the dark room when the air quality exceeds the standard.

3. It is better to add formaldehyde or noise detection function without significantly increasing the size of the fuselage.

4. Add IOS APP applications as soon as possible.

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