​"When the factory workshop wants to install a reliable LED screen, has it been transferred to three suppliers or is it cheated?"​​ I can't listen to the twenty factory managers complaining about this. Last week, Boss Li, a machine factory in the development zone, suffered a missed--the screen I bought for 80,000 yuan and then flashed the screen after three months when I spent three months to use it. Finally, I found it was a second-hand refurbished product. Today, let’s break through the industrial screen purchasing methods, so that you can avoid detours after watching it!

1. Three ways to find a source of goods

Let me talk about cold knowledge first: industrial screens and ordinary advertising screens are not the same as each other! Find the right way to buy real guys:

​​Route 1:​ Go directly to the Shenzhen factory? Don't be stupid! Industrial screens are customized, so engineers must first watch the scene remotely. I will teach you a tough trick - ask for video links to see the workshop environment, and focus on shooting these three places:

• Power box position (affects wiring)
• Equipment vibration frequency (determines the protection level)
• Operator table viewing angle (set screen tilt angle)

​​Route 2:​ Online procurement is deeper! Nine of the top ten found in Taobao were modified by advertising screens. Teach you three tricks to test your true body:

1. Need​IP65 waterproof certification​ Certificate (standard industrial screen)
2. See​Refresh rate parameters​ (Direct pass below 1920Hz)
3. QuestionWarranty period​ (Those who dare to protect for five years are truly industrial grade)

​​Route Three:​ There are some specialties in finding bargains at the exhibition! Guangzhou Industrial Exhibition must go to March every year. Remember this time point - at 3:00 p.m. on the last day of the exhibition, the bargaining price is the most fierce when the sales are in a hurry to withdraw the exhibition. Last year, someone used this trick to win a 16% discount order, saving 30,000 yuan!

2. Select the life and death line of parameters

​​"The seller said that the P4 screen is enough, but after installing it, I found that the data cannot be seen clearly!"​​ This is the most common mine for beginners. Remember this formula:
​​Minimum viewing distance (meters) = pixel spacing (mm) × 2.5​​

For example:

​​The brightness parameter is the most deceptive——The brighter the industrial screen, the better! The workshop has a large ambient light change, so you must choose a belt​Intelligent light sensingModel:

• Automatically adjust 800-1200cd/m² in the morning and evening
• It's not dazzling at noon
• Night shift dropped to 500cd/m² to save electricity

3. Installation and maintenance Anti-rolling Guide

​​"The screen has arrived, but the electrician said it can't be installed?"​ I just saw this last month:

1. ​​Seismic testing should be done​
   After installing the screen in a certain auto parts factory, the punch press trembles as soon as it opens. Later installed​Hydraulic shock absorbing base​It was solved, and it cost 8,000 more yuan

2. ​Signal isolation is the way​
   The industrial environment has large electromagnetic interference, and it must be required​Fiber Optical Transmission + Metal Shield​ . Last year, a chemical factory did not perform quarantine, resulting in data confusion and loss of 200,000 yuan.

3. ​Don't be lazy in daily maintenance​
   Workshop dust is a screen killer! Teach you a method:

• Use it every week​Compressed Air​ Blow up soot (don't use a damp cloth!)
• Calibrate the color once a quarter (color difference exceeds ΔE<2 and return to the factory)
• PrepareDriver IC chip​ (This is the most fatal thing)

4. Blood and tears case revelation

Last year, there were three classic cases of crashes in the development zone:

​​Case 1:Buy second-hand screens with greed for cheap
A certain electronics factory saved 30,000 yuan, but the screen body leaked and the entire production line was shut down, and a penalty of 150,000 yuan was compensated.

​Case 2:Ignore temperature and humidity
The food factory cold storage is equipped with ordinary screens, and the color blocks are stuck at low temperatures, and finally replaced​Wide temperature screen​ spent 50,000 more

​​Case 3:Slow after-sales response
The equipment factory selected foreign suppliers, and waited for eight days for accessories such as screen failure, which directly led to order default.

Editor's opinion time

After eight years of industrial screen business, I would like to remind all the bosses:​Don’t save design fees!​​ The most outrageous thing I saw last year was that someone drew the installation diagram and connected the power cord in reverse and burned three driver boards.

Now all high-end industrial screens are equipped withData Visualization​ Function, although 25% more expensive than ordinary screens, it can really save lives! Look at the screens connected to the MES system. The fault warning can issue an alarm two hours in advance, and avoid hundreds of thousands of losses.

Finally, I’m heart-wrenching: buying an industrial screen is not a one-time deal, it depends on​Full life cycle service​​ . It is recommended to fight these two items when signing the contract:

1. Free door-to-door maintenance within five years
2. Four-hour response to sudden failure

Remember, only by providing good screens and good service can the workshop be truly "lit"!

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