Test Method and Standard for High and Low Temperature Environment of Industrial Tablet Computer
In many industrial control scenarios, high environmental adaptability of industrial control tablets, industrial control machines, and touch screens, especially the adaptability of temperature, is extremely needed. This article introduces test method and standard for high and low temperature environment of industrial tablet computers, industrial control machines, etc.
1. High temperature operation test
(1) Test the basic functions of the whole machine to check the appearance of the normal structure first. According to MIL-STD-810G method 501.5 high temperature process, when the whole machine is in working state, put it into the test chamber at the normal position, set the temperature at 60℃, connect the adapter to run the local 1080P video for 24 hours, check once every 12 hours hours, and set the heating and cooling time for 2 hours.
(2) Judging criteria: During the high temperature working period, there should be no system crash, restart, blue screen and other unstable system operation; Video image, touch, sound, key function check; Check the basic functions of the machine after the test, functional failure should not appear; the display should not appear watermarks, white dots, white spots, etc..
2. Low temperature operation test
(1) Test the basic functions of the whole machine to check the appearance of the normal structure first. According to MIL-STD-810G method 501.5 high temperature process, when the whole machine is in working state, put it into the test chamber at the normal position, set the temperature at -20℃, connect the adapter to run the local 1080P video for 24 hours, check once every 12 hours hours, and set the heating and cooling time for 2 hours.
(2) Judging criteria: During the high temperature working period, there should be no system crash, restart, blue screen and other unstable system operation; Video image, touch, sound, key function check; Check the basic functions of the machine after the test, functional failure should not appear; the display should not appear watermarks, white dots, white spots, etc…
3. high temperature storage test
(1) Test the basic functions of the whole machine first. Set the temperature at 70°C±2°C for 48 hours in shutdown state, heating and cooling time for 2 hours, normal temperature recovery for 1 hour and then check the power and basic functions.
(2) Judging criteria: room temperature environment, research and maintenance engineers test the basic function of the machine without functional problems; Check the appearance and structure of the product.
4. low temperature storage test
(1) Test the basic functions of the whole machine first. Set the temperature at -30°C±2°C for 24 hours in shutdown state, heating and cooling time for 2 hours, normal temperature recovery for 2 hour and then check the power and basic functions.
(2) Judging criteria: room temperature environment, research and maintenance engineers test the basic function of the machine without functional problems; Check the appearance and structure of the product.
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