Reliability test, 96hrs – BeStar BMS36-11-50H5.4 S LF User Manual
Page 4
3.Sensitivity difference at 0.8~2.0KHz shall be within
±3dB from initial value after test.
4.5 Temperature Cycle Test
Cycles 10
Notice:
1.Immediately after reliability test,the samples shall be stored under climatic conditions
such as normally exist in ordinary rooms or laboratories.Unless otherwise noted,the
recovery period shall be 4hrs at least before performance testing.
2. After reliability test ,all samples must be meet the requirements specified
4.6 Drop Test
Height 1.5m
Drop face thick board (20mm)
Times 18 (three times in
each durection )
+25
-30
T(
°C)
+85
t (min)
30
1 cycles
30
30
transition time:20-30s
4.3 Low Temperature Test
Temperature - 40±3°C
Duration 96hrs
4.1 Load Test
Power (Nom) 0. 3W(sine wave)
Duration 96hrs
4.2 High Temperature Test
Temperature
+85
±3°C
Duration
96hrs
4. Reliability Test
4.4 Damp Heat
Temperature
40
±3°C
Relative Humidity
90%-95%RH
Duration
96hrs
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Drawn by:
Drawn
Rev.
Date
Approved by:
Checked by:
Note
Date:
Page:04 of 06
Speaker
A
2011/11/12
博 士 達
2011/11/12
张秀琴
汪凤声
汪凤声
BMS36-11-50H5.4 S LF
DRG NO: BS/TES01.440A
BMS36-11-50H5.4 S LF
王 平