BeStar BPT-18 LF - Manual (Page 4)

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Cycles 5
3.5 Humidity test
Temperature +40 C
Relative Humidity 93%
Duration 48hrs
www.be-star.com [email protected]
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
3.7 Solderability
Temperature 250 5 C
Duration 3 0.5sec
3.8 Solkder Heat Resistance
Temperature 250 10 C
Duration 30sec
Notice: All specification must be satisfied in this condition.
SPL: allowable deviation 5dB of the initial value after testing
6 5 4 3
A
Rev. Date Drawn
B
Approved by:
Checked by:
Drawn by:
Note
Date:
C
D
Page:3 of 7
2 1
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B
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D
3.1 high temperature test
Temperature +85 C
Duration 48hrs
3.2 low temperature test
Temperature -40 C
Duration 48hrs
3.3 life test in normal temperature
Power supply rated voltage
Duration 1000hrs
3.4 temperature cycle test
30min
E
-20 C
F
+70 C
30min
+20 C
15min 15min
+20 C
3. Reliability test
G
BPT-18 LF
H
6 5 4 3
E
F
2 1
G
H
ADRG NO: BS/TEP01.121D
Piezo Sounder
BPT-18 LF
07/08/08 D 高 正
07/08/08
高 正
杨红烨
程久生