
CG01-J
577
SENSORS
ULTRASONIC SENSORS
MA40 SERIES
MA40 SERIES
OPEN TYPE FEATURES
I
Small size: 10 and 16
I
Combined types
I
High SPL types
I
Low voltage/current types
APPLICATIONS
I
Burglar alarms
I
Object detection devices
I
Distance measurement devices
MA40E SERIES
WATERPROOF TYPE FEATURES
40kHz Sensors
I
Waterproof
I
Many types leaded/not
I
Short ringing time
I
Directive models
APPLICATIONS
I
Rear backing sonar
I
Corner sonar
For more detailed information regarding this product line in North America, consult us.To receive additional information on Murata Products call 1-800-831-9172.
DIMENSIONS: mm
MA40S4R/S
MA407S-1
MA40B8R/S
MA40F14-1B
MA40S5
MA40E7R/S
MA40B7
MA40E8-2
SPECIFICATIONS
Part Number
Construction
Using Method
Nominal Frequency (kHz)
Overall Sensitivity
Sensitivity
Sound Pressure
Directivity
Capacitance
Operating Temp. Range
(°C)
Detectable Range
Resolution
Dimension
Weight
Allowable Input
Voltage
(Rectangular wave)
Packaging Quantity (Pcs.)
MA40E7R/S
Waterproof type
MA40S4R/S
MA40B8R/S
Open structure type
MA40B7
MA40E7S-1
Waterproof type
MA40S5
Open structure type
Combined use type
MA40E8-2
MA40MF14-1B
Waterproof type
Receiver and Transmitter (Dual use) type
40
(dB)
(dB)
(dB)
(deg)
(pF)
—
—
—
–45
+4
—
—
44
–5
—
–50 ± 4
—
—
70
2550 ± 20%
–40 ~ +85
0.2 ~ 2.5
—
—
–74 min.
106 min.
100
2200 ± 20%
–30 ~ +85
0.2 ~ 3
–63 ± 3
120 ± 3
80
2550 ± 20%
–40 ~ +85
0.2 ~ 4
–63 ± 3
120 ± 3
50
2000 ± 20%
–72 min.
106 min.
75
2200 ± 20%
–85 min.
106 min.
75
2800 ± 20%
–87 min.
103 min.
110 x 50
4000 ± 20%
2000 ± 20%
–30 ~ +85
0.2 ~ 4
–30 ~ +85
(m)
0.2 ~ 6
0.2 ~ 3
0.2 ~ 1.5
0.2 ~ 1.5
(mm)
(mm)
(g)
9
18
x 12h
4.5
9.9
x 7.1h
0.7
20 (40kHz)
Continuous signal Continuous signal
16
x 12h
2.0
16
x 12h
2.0
9.9
x 7.1h
0.7
60 (40kHz)
14
x 8h
2.4
4.5
2.4
85 (40kHz)
40 (40kHz)
100 (40kHz)
Pulse width 0.4ms Pulse width 0.4ms Pulse width 0.4ms Pulse width 0.8ms Pulse width 0.8ms
Interval
100ms Interval
100ms Interval
150
90
540
100Vpp
160 (40kHz)
160Vpp
(Vp-p)
Pulse width 0.4ms
Interval
100ms
100ms Interval
60ms Interval
60ms
90
540
150
80
150
PART NUMBERING SYSTEM
MA40
(– )
(R/S)
40kHz
FAMILY
B: 16mm dia.
S: SMALL 10mm dia.
E: WATERPROOF
MODEL
R: RECEIVER FOR DUAL TYPE
S: SENDER FOR DUAL TYPE
9.9
7.1
10
5
12.0
±
0.5
9.0
±
1.0
10.0
±
0.3
d
1
d
1
±
50
±
2 deg.
9
±
0.1
4
±
3
±
0.1
14
±
0.1
12
±
0.2
16
12
9
10
18
10.4
12
10
10
16
12
9
10
8
±
0.3
39.5
±
5
14
±
0.3
10.4
9.9
7.1
10
5
W
O
S