Now that the porcelain party is very embarrassing, it is not equipped with a traveling data recorder. If it touches a porcelain, it is really justified. In order to protect their legitimate rights and interests, most vehicles will choose to configure the driving recorder. Then the question arises. How can one choose a good quality driving recorder? Because ah, there are a wide variety of products on the market, and they are easily mixed. It is easy to be misled. If you do not choose well, you may jokes about porcelain, so let's talk about it today, so that we can buy a reliable product. Driving Record
1. Do not believe in "resolution" and see "effective pixels"
Many people think that the higher the resolution of the driving recorder is, the higher the picture sharpness will be. However, this is not the case. High resolution does not mean that the image effects are more clear. The sharpness of the image is related to the area and the pixel density of the photosensitive element of the camera. The larger the area of ​​the photosensitive area is, the larger the density of the photosensitive pixel is, and the image will be clearer.
Today's driving recorder products, for cost considerations, will choose a 1/3-inch size CCD, effective photosensitive pixel point of about 3.3 million, if its screen is cut to 1080P resolution, just 2 million pixel requirements. Therefore, a driving record CCD area of ​​about 1/3 inch, effective photosensitive pixel point of about 3.3 million, then the quality of the past, or its picture quality is absolutely worrying.
2. Do not believe in "clarity" and see "frame number"
The sharpness of the picture also needs to see the picture refresh rate, ie the number of frames. The higher the refresh rate, the more pictures are taken per second, which means the higher the number of frames, the higher the quality and clarity of the picture. For high-speed vehicles, the higher the number of frames, the more pictures you take and the easier it is to get a clearer picture.
"1080P resolution 30 frames" and "720P resolution 60 frames", two picture quality, which one do you choose? According to the practical effect, the "720P resolution 60 frames" picture is more practical than the "1080P resolution 30 frames." Of course, if "1080P resolution 60 frames" is better.
3. Don't believe "big wide angle" and look at "horizontal angle"
"Great wide angle" refers to the "lens angle". In fact, what we need is "screen angle", that is, the visual angle after imaging. The most critical angle for driving records is the "viewing angle of the horizontal screen" because This point makes sense.
“Viewing angle†is another important parameter for selecting driving recorders. Some traders often advertise their own product's viewing angle to reach 170 degrees, but in reality this is impossible, 170 degrees. You can see both side mirrors.
4. Do not believe in "night vision" and see the effect of "WDR"
Some businesses promote their products with powerful night vision capabilities, and equipped with infrared night vision fill light, in fact, this feature is "alienable." In front of a dark, only a few far-infrared light bulbs can have a powerful night vision ability? If so, then Americans should not cry in the toilet...
Believe in night vision, it is better to buy a "WDR" function, WDR refers to "wide dynamic range", HDR with static image is an effect, in the dynamic scene, particularly bright and dark parts can see at the same time Clearly.
In general, WDR-enabled driving records can effectively resist strong light and display a more complete dark picture whether it is tunneling in the daytime or driving at night. More than those "infrared night vision" far more.
5. Do not believe in "high allocation" and see "soft power"
Do not be fond of high configuration, high configuration is just a legend. Many driving recorder products are claimed to be sports camera-level picture quality, have Ambarella A7, A9 and other high-end master chips, etc., and some high-end sports cameras also do with these chips, but the problem is what level with CCD sensor, what material camera is used, what is the level of software coding and decoding? These are the key to considering the merits of a product. This is also why some high-quality hardware configurations still have poor picture quality, and the reason why prices cannot be improved.
Therefore, if you want to buy a good driving recorder product, you must not only look at the parameters and publicity words given by the business, but must continue to learn and understand and improve your own identification capabilities.
It uses double platform structure and semi-pit installation, and efficient buffer components are used, which can absorb impact energy of waste steel during weighing, and reduce impact force born by Load Cell.
It can be widely used for weighing steel ladle and iron ladle in steel plant and casting plant
Double platform structure design, thick plate, efficient buffer components, strong impact resistance;
Buffer components absorb impact energy, and improve operating life of load cell;
Buffer components are optional, and high temperature configurations are optional;
Buffer components use suitable pre-tightening force, and reduce weighing stabilization time;
Scale frame has excellent structure, rational limit, quick and reliable weighing.
Customizing according to user`s steel ladle specifications.
Stainless Steel Weight Scale,Weighing Scale For Waste Steel,Scale For Weighing Waste Steel,Waste Steel Weighing Scale
SHANDONG JINZHONG SCIENCE & TECHNOLOGY GROUP COMPANY LIMITED , https://www.chinagoldbell.com