BeStar BLS3070-12-08H23 LF - Manual (Page 5)

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Drawn by:
Drawn Rev. Date Approved by:
Checked by:
Note
Date:
张秀琴
王 平
汪凤声
A
Speaker
汪凤声
4. Reliability Test
4.1 Load test
Input Power 2W,white noise
Duration 96hrs
4.2 Heat test
Temperature +55
± 3°C
Duration 96hrs
4.3 Cold test
Temperature -10
± 3°C
Duration 96hrs
4.4 Temperature change( shock )
Low Temperature -10
± 3°C
High Temperature +55
± 3°C
Dwell time each temperature 30min
Transfer time from lower to upper temperature<10s
Cycles 100
4.5 Moisture Test
Tempeature +40
± 2°C
Humidity 92
± 2%(RH)
Duration 96hrs
4.6 Drop test
Surface(floor) concrete or steel
Height 80cm
Direction X,Y&Z 3axes
After the test,all electronic and acoustic characteristic should be satisfied with the
specification. SPL: Deviation is of 2dB of initial value.
2012/03/20
2012/03/20
BLS3070-12-08H23 LF
Page:05 of 07 DRG NO ： BS/TES01.1072A
BLS3070-12-08H23 LF