Environment test, Microphone – BeStar BCM9745P-44 User Manual

Page 4

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3.1 High temp.life test

Temperature +70 ℃
Duration 200hrs

3.2 Low temp.life test

Temperature -25 ℃
Duration 200hrs

3.3 Temperature cycle test

Cycles 5

3.4 Humidity Test

Temperature +40 ℃
Relative Humidity 90~95%
Duration 200hrs
Tests above should be measured after leaving normal temperature for 2hrs.

3.5 Vibration Test

Vibration Frequency 10~55Hz
Amplitude 1.52mm/min
Direction 3(x.y&z)
Duration 2hrs each cycle(total 6 hrs)

3.6 Drop test

Height 100cm
(Dropped to concrete floor in state of packing.)
Direction 3

3.7 Soldering Heat Shock

Temperature 260 ℃ 5
Duration 3

±1 sec

3.8 Terminal Mechanical Strength

Strength 1kg
Duration 1 min

Notice:
All specifications must be satisfied in this condition.
Sensitivity :Allowable deviation within

±3dB from initial sensitivity.

3.Environment Test

徐金国

08/05/17

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F

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2

H

BCM9745P-44

G

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A

C

B

BCM9745P-44

徐金国

08/05/17

Microphone

DRG NO: BS/TEM01.061A

李毕佳

www.be-star.com [email protected]

张秀琴

Date:

Note

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