BeStar BPT3112XH10W120 LF - Manual (Page 4)

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Piezo Buzzer
Checked by:
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REV. Date
5
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30min 30min 15min 15min
3.4 Temperature cycle test
Cycles 5
3.5 Humidity cycle test
Cycles 5
10h
all these tests above should be measured after leaving normal temperature for 2hrs.
3.6 Drop test
Height 70cm
(to 10mm thickness woodenboard)
Direction 3
Notice: All specifications must be satisfied in this condition.
After each test, inital SPL
±5dB,there is no any degradation in appearance
25 °C 90-95% RH
65 °C 90-95%
12h 1h 1h
RH
3.1 High temperature test
Temperature +85°C
Duration 96hrs
3.2 Low temperature test
Temperature -40 °C
Duration 96hrs
3.3 Life test in normal temperature
Power supply rated voltage
Duration 240hrs
-40 °C
3. Reliability test
+20 °C
+85 °C
+20 °C
www.be-star.com [email protected]
赵 峥
李红元
10/05/08
博 士 達
BPT3112XH10W120 LF
A
BPT3112XH10W120 LF
DRG NO: BS/TEP01.744A
邱 俊