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Reliability test, Piezo element sounder, 10h 30min – BeStar BPT4512H18.4-03 LF User Manual

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Piezo Element Sounder

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Drawn by:

Approved by:

Checked by:

Date:

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BPT4512H18.4-03 LF

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+20℃

+20℃

+80℃

65℃ 90-95% RH

12h

1h

1h

15min

30min

15min

-40℃

25℃90-95% RH

10h

30min

4.1 Life test at high temperature
Temperature +80

°C

Duration 500hrs
4.2 Life test at low temperature
Temperature - 40

°C

Duration 500hrs
4.3 Temperature cycle test
Cycles 5

4.4 Humidity cycle test
Cycles 5

4.5 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.53mm
Direction 3(x.y&z)
Duration 2hrs each direction (total 6 hrs)
4.6 Drop test
Height 100cm
(to 10mm thickness woodenboard)
Direction 3(x.y&z)
4.7 Solderability Test
Soldering Temperature 2 55

±5°C

Duration 3 sec

Notice: All specification must be satisfied in this condition.

SPL: allowable deviation

±10dB of the initial value after testing

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

4. Reliability test

BPT4512H18.4-03 LF

DRG NO: BS/TEP01.694B

08/06/10

李红元

赵 峥

邱 俊