BeStar BPU1840IFAH09 - Manual (Page 4)

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李红元
邹皓轩
Ultrasonic Sensor
4 5 6
5.Beam Pattern
BPU1840IFAH09
G
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Date:
4
Note
Drawn by:
Checked by:
Approved by:
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Drawn
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Date
C
B
A
Rev.
A
BESTAR ELECTRONICS INDUSTRY CO.,LTD
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DRG NO: BS/TEU01.324A
BPU1840IFAH09
倪雪晴
倪雪晴
2010.11.30
2010.11.30
Acous tics & Sensor
-80
-70
-60
-50
-110
-90
-100
35 38 40 45 48 50
Sensitivity-Freq.Characteristics
Frequency(kHz)
s
en
s
it
iv
it
y
(
d
B)
110
120
s
ou
n
d
p
re
s
s
u
re
(
d
B)
70
80
60
100
90
35 38 40 45 48 50
SPL-Freq.Characteristics
Frequency(kHz)