BeStar FT-27T-4.3A1 - Manual (Page 4)

郭 敏
杨红烨
姜文金 杨红烨
06/08/24
06/08/24
FT-27T-4.3A1
DRG NO: BS/TEY01.116B
FT-27T-4.3A1
Piezo Ceramic Element
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BESTAR ELECTRONICS INDUSTRY CO.,LTD
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www.be-star.com [email protected]
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Drawn Date Note
Drawn by:
Approved by:
Checked by:
Date:
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5.Reliability Test:
5.1.High Temperature Test
Temperture +70 C
Duration 180hrs
5.2.Low Temperature Test
Temperature -30 C
Duration 180hrs
5.3.Temperature Cycle Test
Cycles 5
5.4.Humidity
Temperature 40 2 C
Relative Humidity 90~95R.H.
Duration 240hrs
+20 C +20 C
15min 30min 15min 30min
-20 C
+60 C
all these tests above should be measured after leaving normal temperature for 2hrs.
5.5.Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.52mm
Duration 2 hrs each of 3 axis
5.6.Shock
Piezoelectric disc shall be measured after applying shock at (980m/s
2 ) for each three mutually
perpendicular (XYZ) directions by half sine waves,3 times eac h