Are you also worried about installing a monochrome LED screen, but hundreds of manufacturers were found online, with prices ranging from hundreds to tens of thousands, which was dazzling? If a novice wants to buy a durable and affordable screen, why is it like opening a blind box? Don’t panic, let’s break it up and talk about this matter today.

Let me remind you first: Don’t be deviated by the saying that “color screens are advanced”. Promotional information at the entrance of the supermarket and arrival prompts in the subway, these places where fixed content needs to be displayed 24 hours a day.​ ​The monochrome screen with red, yellow and green is the leader​​. Just like a novice who wants to get started quickly, you have to choose the right tool, and you have to first understand your usage scenario when buying a display screen. Last year, a boss who opened a convenience store complained to me that he spent a lot of money to install a color screen, but in less than two years, he burned the driver chip four times.

​​Understand these tricks before purchasing​​

1. ​​Brightness depends on the occasion​​: Starting from 800cd/m² indoors, at least 4000cd/m² outdoors, you can only see clearly under the sun
2. ​​Don't be greedy for pixel spacing​​:P10 and P16 are more convenient to maintain
3. ​​Protection level cannot be saved​​: Only those with IP54 or above certification can withstand the wind and rain
4. ​​The control system must be stable​​: It is really convenient to be able to update content remotely

A friend who opened a gym suffered a loss. He bought a screen on a certain platform for half a year and then had a snippet. Later, I changed my home and could provide it​ ​Three-year warranty + 24-hour online guidance​​The manufacturer has been using the screen for three years and is still working normally. So, buy this kind of industrial-grade product.​ ​After-sales service is ten times more important than price​​。

​​Hidden knowledge points for installation and maintenance​​
Many people don’t know that the installation location of a monochrome screen directly affects the life span. Data from a pharmacy chain last year showed that the average lifespan of screens installed under the eaves was 4.8 years, while only 1.3 years were directly exposed to rain and snow. Here is a tip: ask the manufacturer to provide it​ ​Install environmental assessment services​​, They will use professional instruments to measure the light intensity and humidity fluctuations to give the best installation plan.

Let me tell you another real case: the owner of a restaurant shop bought a bare screen with a cheap picture, but when installing it, he found that he wanted to buy an additional controller and power cord, which was more expensive than a complete set of equipment. So make sure to confirm​ ​Does the quote include a complete set of accessories​​, it is best to choose to provide​​One-stop service from design to installation​​suppliers.

​​These parameters are the bottom line​​

• ​​Refresh rate ≥1920Hz​​: Quickly scrolling text will not show any dragging
• ​​Intelligent brightness adjustment​​: Automatically adjust according to the environment, saves electricity and protects eyes
• ​​Military standard earthquake-resistant certification​​: It is particularly important to install in a vehicle or a vibrating environment
• ​​Temperature control range -40℃~75℃​​: It can also be used normally in winter in the north

The most exaggerated case I have ever seen: the screen of a logistics warehouse has no temperature control function, and the temperature of the warehouse soared to 50℃ in summer, which delayed the delivery of the entire batch of goods. Now smart buyers will ask for it​ ​High temperature and high humidity test report​​, it’s the same as buying an air conditioner that depends on the energy efficiency.

​​How to avoid the counterfeit trap​​

1. Required to view​​ISO9001 and CE certification​​Original (don't trust PS certificate)
2. On-site inspection of the production workshop (manufacturers with monthly production capacity exceeding 10,000 square meters are more reliable)
3. The test screen works continuously for 72 hours (see if there is any color block offset)
4. Check whether the control software is genuine (copy software is prone to viruses)

A friend who works as a gas station shared his experience with me: he specializes in selecting manufacturers whose exports account for more than 80% because such manufacturers must comply with the EU RoHS standards and have more quality assurance. As a result, his oil price screen has not been replaced with lamp beads for five years, saving more than 20,000 repair costs than his colleagues.

Finally, the heart-wrenching words: you can play with a monochrome screen​​Stable and durable​​. A manufacturer with more than ten years of experience and international certification is better than anything else. Recently I heard that some manufacturers have developed it​ ​Fault warning system​​, can issue an alarm 30 days before the screen has problems, this preventive maintenance is really worry-free. Remember, a device that takes three to five years to use, reliability is more important than anything else.

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