BeStar SMS1515-08H04 LF - Manual (Page 4)

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BESTAR ELECTRONICS INDUSTRY CO.,LTD
B
Drawn Date
6 5
A A
REV.
C
D
B
Page:3 of 7
周庆阳 Drawn by:
www.be-star.com [email protected]
Note
4 3
Checked by:
Approved by:
王善梅
郭 敏
2 1
Date: 06/01/03
A
C
D
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F
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H
6 5
E
F
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4 3 2 1
H
Speaker
DRG NO：
周庆阳
SMS1515-08H04 LF
BS/TES01.529A
SMS1515-08H04 LF
06/01/03
3.Reliability test
3.1 Low Temperature Test
Temperature -40
°C
Duration 240hrs
3.2 High Temperature Test
Temperature +105
± 2°C
Duration 240hrs
3.3 Damp Heat
Temperature 40
± 2°C
Relative Humidity 90%-95%RH
Duration 240hrs
3.4 Room temperature life test
Temperature 15~35
°C
Relative Humidity 25%-85%RH
Voltage 2Vrms
Duration 240hrs
3.5 Temperature Cycle
Temperature -20
°C / +40°C
Temperature Change 1 ± 2 /min
Duration at +65 °C 2h(each cycle)
Duration at -25 °C 2h(each cycle)
Duration for one cycle 8h
Cycles 10
All these tests above should be measured after leaving normal temperature for 2hrs.
3.6 Drop Test
Height 1m(on the concrete floor)
Direction of drop 1 each corner,3 each sides, 6 plain
Notice:
sensitivity difference at 1kHz shall be within
± 3dB from initial value after test.