Military level, industrial level and commercial level
Military-grade - military equipment such as missiles, satellites, tanks and aircraft carriers inside any one of the electronic components are the most advanced, leading industrial grade 10 years, the leading commercial grade 20 years, the most expensive, the highest precision
Industrial grade - a bit lower than the military grade, the price is second, the precision of the second
Commercial - the kind of market transactions, computers, mobile phones, you can see basically all commercial-grade, such as Microsoft's chips even if the military-level business-grade, the cheapest price, the most common, the most Practical
range of working temperature
Commercial-grade devices operating temperature range is 0 ℃ ~ +70 ℃, industrial grade is -40 ℃ ~ +85 ℃, military-grade is -55 ℃ ~ +150 ℃. In addition there are some devices have a car industry is -40 ℃ ~ +125 ℃.
However, the temperature of our LCD module is divided into two categories, one is the working temperature and the other is the storage temperature. Under normal circumstances, the LCD module operating temperature is -20 ° to 70 °, the storage temperature is -30 to 80 °.