Environmental resistance test:
Vibration test, transportation package falling test, temperature cycle test, temperature and humidity resistance test, impact test, waterproof test
Durability test:
High and low temperature preservation test, continuous switch operation test, continuous action test
Arrangement of LED display screen reliability test
conditions:
Vibration test: triaxial (XYZ) vibration, 10 minutes each, 10 ~ 35 ~ 10Hz sine wave, 300 ~ 1200 times / minute, 3 minutes per week, vibration frequency of 2mm
Vibration tightening test: vibration + temperature (-10 ~ 60 ℃) + voltage + load
Falling test of transportation package: the falling material is concrete (at least 12mm thick), and the height depends on the purpose of use
Temperature cycle:
a. Non Startup Test: 60 ℃ /6 hours ← temperature rise and fall for 30 minutes → -10 ℃ /6 hours, 2cycle
b. Start up test: 60 ℃ /4 hours ← temperature rise and fall for 30 minutes → 0 ℃ /6 hours, 2cycle, unpacked power transmission and loading
Temperature and humidity resistance test:
Non Startup Test: 60 ℃ /95% r.h./48 hours
Start up test: 60 ℃ / 95% R.H. / 24 hours / unpacked power transmission and load
Impact test: impact distance 3M, slope 15 degrees, six sides
Waterproof test: height 30 cm, 10 L /min, spray angle 60 degrees, spray position: front, rear, left, right, up, spray range 1 square meter, spray time 1 minute
Moisture proof test: 40 ℃ /90% r.h./8 hours ←→ 25 ℃ /65% r.h./16 hours, 10cycle)
High and low temperature preservation test: 60 ℃ /95% r.h./72 hours → 10 ℃ /72 hours
Continuous switch action test:
Complete the switch in one second, shut down for at least three seconds, 2000 times, 45 ℃ /80% R.H
Continuous action test: 40 ℃ / 85% R.H. / 72 hours / power on
