BeStar BPU1640T_ROAH12 - Manual (Page 4)

倪雪晴
G
H
E
F
D
B
A
C
2 1 3 5 4
G
H
130
140
6
BPU1640T/ROAH12
5. Beam Pattem
E
F
s
o
u
n
d
p
re
s
s
u
re
(
d
B)
90
100
80
120
110
D
-80
-70
-60
-50
T
h
is
p
ri
n
t
a
n
d
i
n
fo
rm
a
tio
n
t
he
re
i
n
a
re
p
ro
p
ri
e
ta
ry
t
o
B
e
s
ta
r
E
le
c
tr
o
n
ics
I
ndu
s
tr
y
C
o
.,
L
td.
a
nd
s
h
a
ll
no
t
b
e
u
s
ed
i
n
w
h
o
le
o
r
in
pa
rt
w
ith
ou
t
it
s
w
ri
tt
en
c
on
tent
35 38 40 45 48 50
SPL-Freq.Characteristics
Frequency(kHz)
倪雪晴
Ultrasonic Sensor
2 1
李红元
邹皓轩
3
www.be-star.com [email protected]
Date:
B
-110
-90
-100
5 4
Note Rev.
A
6
Date
A
Drawn
35 38 40 45 48 50
Sensitivity-Freq.Characteristics
BESTAR ELECTRONICS INDUSTRY CO.,LTD
Drawn by:
Checked by:
Approved by:
Frequency(kHz)
C
s
e
n
s
it
iv
it
y
(
d
B)
BPU1640T/ROAH12
Page:4 of 9 DRG NO：BS/TEU01.330A
Acous tics & Sensor
2011.01.06
2011.01.06