Reliability test, Bestar electronics industry co.,ltd – BeStar BPT6012H14-01LF User Manual
Page 4
3. Reliability test
3.1 Dry heat test
Storage Temperature +85 C
Duration 504hrs
Recovery period 1 hrs
3.2 Cold test
Storage Temperature -40 C
Duration 504hrs
Recovery period 1 hrs
3.3 Resistance to temperature cycling
Low temperature -40 C
High temperature +85 C
Rate of temperature change 3 C/min 0.6 C/min
Number of cycle 200
Duration of exposure 1 hrs
Recovery period 4 hrs
During the test,the piezo is powered and gives out a 30senconds audible alarm signal at 105dB with a
pause of 10 minutes between each sounding period
3.5 Vibration Test
Vibration Frequency
10~55Hz
Amplitude 1.53mm
Duration 2hrs each of 3 axis
3.6 Resistance to drop on concrete floor
Surface concrete floor
Height 2m
Number of tests 2 in each 6 directions
Number of units 2
Notice: All specification must be satisfied in this condition.
SPL: allowable deviation 5dB of the initial value after testing
3.4 Damp heat test
Storage Temperature +40 C
Storage Humidity 95 3%
Storage time 504hrs
REV.
Drawn
Date
6
5
A
Piezo Sounder
Date:
Note
Approved by:
4
Drawn by:
Checked by:
3
2
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BESTAR ELECTRONICS INDUSTRY CO.,LTD
A
BPT6012H14-01 LF
08/01/04
赵 峥
08/01/04
赵 峥
陶红仲
张秀琴
BPT6012H14-01 LF
DRG NO: BS/TEP01.537A