Reliability test – BeStar BMS40-12B-08H5.0 LF User Manual
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Drawn by:
Drawn
Rev.
Date
Approved by:
Checked by:
Note
Date:
Page:06 of 08
博 士 達
12/02/13
A
12/02/13
Speaker
BMS40-12B-08H5.0 LF
DRG NO: BS/TES01.1018A
汪凤声
王文邦
王 平
汪凤声
BMS40-12B-08H5.0 LF
3.Reliability test
3.1 Load Test
Input Power 0.3W
Duration 96hrs
3.2 Heat Test
Temperature +70
°C±2
Duration 48hrs
3.3 Cold Test
Temperature -30
°C±2
Duration 24hrs
3.4 Moisture Test
Temperature +70
°C±2
Humidity 85%RH
Duration 96hrs
3.5 Temperature shock
Low temperature -30
°C
Upper temperature +70
°C
Dwell time each temperature 15min.
Transfer time from lower to upper temperature < 20s
Number of cycles 10
3.6 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.52mm
Duration 2hrs each of 3 axis
3.7 Drop test
Drop the speaker on to the concrete
2 times each of 3 axis
from the height of 1m
After each test of 3.2 to 3.5, speakers should be measured
after 24hrs exposed in normal temperature.
After each test, performance should be satisfied with spec.