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Reliability test, Cycles 5 3.5 humidity cycle test cycles 5, Piezo buzzer – BeStar BPT4334CP12VDCB-01 User Manual

Page 4: A文件号:bs/qdte045b

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DRG NO:BS/TEP01.821A

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文件号:BS/QDTE045B

3. Reliability Test

all these tests above should be measured after leaving normal temperature for 2hrs.

1h

12h

10h

1h

3.6 Drop test
Height 70cm
(to 10mm thickness woodenboard)
Direction 3

Notice: All specification must be satisfied in this condition.

3.1 high temperature test
Temperature +75°C
Duration 96hrs
3.2 low temperature test
Temperature -20°C
Duration 96hrs
3.3 life test in normal temperature
Power supply 12V
Duration 500hrs
3.4 temperature cycle test

+20

°C

15min

Cycles 5

3.5 Humidity cycle test

Cycles 5

25Ў C 90-95% RH

30min

RH

75Ў C 90-95%

15min

30min

+75

°C

+20

°C

BPT4334CP12VDCB-01

-25

°C

Piezo Buzzer

程久生

陈小东

12/04/19

付秋萍

12/04/19

付秋萍

BPT4334CP12VDCB-01