Reliability test, Speaker – BeStar BMS3650L1-LF User Manual
Page 5
5.Reliability test
5.1 Life Test/Load test/temperature cycling
Lower temperature -40
°C
upper temperature +85
°C
Dwell time 30 Min each temperature
Duration of whole test 240 h
dynamic operation with maximum rated voltage
5.2 Heat Test
Temperature +85 C 2
Duration 96hrs
5.3 Cold Test
Temperature -40 C 2
Duration 96hrs
5.4 Moisture Test
Temperature +85 C 2
Humidity 85%RH
Duration 56days
Recovery conditions: Climatic condition standard atmospheric
Ventilation time 1 h
5.5 Temperature shock
Low temperature -40 C
Upper temperature +85 C
Dwell time each temperature 30min.
Transfer time from lower to upper temperature < 10s
Number of cycles 100
5.6 Vibration Test
Range of frequency 1 10 to 55Hz
Amplitude +/-0.75mm
Range of frequency 2 55 to 2000Hz
Amplitude 10g
Frequency sweep 1 oct/min
Duration 2h each of 3 axis
5.7 Drop test
Drop the speaker contained in normal box on to the boad 20mm
thick 10 times from the height of 1.2m
After each test of 5.2 to 5.3, speakers should be measured after 6hrs exposed in normal
temperature.
After each test, performance should be satisfied with spec.
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Drawn by:
Note
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Approved by:
Checked by:
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Speaker
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Date:
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1
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王善梅
03/01/03
DRG NO: BS/TES01.029C
08/05/14
C
08/05/14
丁小军
张秀琴
莫丽丽
丁小军
BMS3650L1-LF
BMS3650L1-LF