Manual

4. Environment Characteristics Test
REV.
Drawn
Date
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Piezo Sounder
Date:
Note Approved by:
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Checked by:
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and shall not be used in whole or in part without its written content
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*all these tests above should be measured after leaving normal temperature for
4hrs.
1h1h
10h
25 C 90-95% RH
12h
65 C 90-95%
RH
Cycles 5
4.5 Humidity cycle test
Cycles 5
4.1 high temperature test
Temperature +85°C
Duration 240hrs
4.2 low temperature test
Temperature -40°C
Duration 240hrs
4.3 life test in normal temperature
Power supply rated voltage
Duration 1000hrs
4.4 temperature cycle test
15min
-40 C
15min 30min
30min
+20 C
+85 C
+20 C
赵 峥
张秀琴
赵 峥
Test Item &Test Conditons
Performance
Requirements
The measured values
shall meet Table 1.
Test Conditons
5. Physical Characteristics
5.1
Test Item
Vibration
Sounder shall be measured afer being applied
vibration of amplitude of 1.5mm with 10 to 55 Hz
band of vibration frequency to each three mutuanlly
perpendicular directions for 2 hours.
Performance
Requirements
The measured
values
shall meet Table 1
08/05/27
08/05/27
李红元
BPT1709H04W083 LF
DRG NO: BS/TEP01.595A
BPT1709H04W083 LF