BeStar BPU1640IOPBH12 - Manual (Page 6)

7.1 High temp.life test
Temperature +85 C
Duration 72hrs
7.2 Low temp.life test
Temperature -30 C
Duration 72hrs
7.3 Heat Cycle Test
Temperature -30
+85
Temperature variational rate 3 C/min
Cycles 12cycles
7.4 Humidity Test
Temperature +65 C
Relative Humidity 90~95%
Duration 72hrs
Tests above should be measured after leaving normal temperature for24hrs.
7.5 Vibration Test
Vibration Frequency 25Hz
Acceleration 43.12m/s
2
Direction x
Time 15min
*7.6 Life test in normal temperature(25 C reference)
Power supply 150Vp-p (40KHz ,square wave)
Duration 48 hours
7.7 Drop test
Height 1m
(Dropped to 20mm thick hardwood board without packing.)
Times 10times
Notice:
The variation of the S.P.L at 40KHz is within 3dB compared with initial figures
at 25 C after above test condition
BS/TEU01.008A
BPU1640IOPBH12
DRG NO
Ultrasonic Sensor
徐建美
周克中
E-Mail:bestarco@ pub.cz.jsinfo.net Http:www.be-star.com
No.199 HuangHe West Road.New district,changzhou,
BESTAR ELECTRONICS INDUSTRY CO.,LTD
6
APPR.
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04/09/04
3rd angle
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5 4
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04/09/04
04/09/04 DATE
DATE
Page:5 of 5
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BPU1640IOPBH12
7. Reliability Test
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