CG01-J 577
SENSORS
ULTRASONIC SENSORS
MA40 SERIES
MA40 SERIES
OPEN TYPE FEATURES
■Small size: 10 and 16
■Combined types
■High SPL types
■Low voltage/current types
APPLICATIONS
■Burglar alarms
■Object detection devices
■Distance measurement devices
MA40E SERIES
WATERPROOF TYPE FEATURES
40kHz Sensors
■Waterproof
■Many types leaded/not
■Short ringing time
■Directive models
APPLICATIONS
■Rear backing sonar
■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 MA40E7R/S MA40S4R/S MA40B8R/S MA40B7 MA40E7S-1 MA40S5 MA40E8-2
MA40MF14-1B
Construction
Waterproof type Open structure type Waterproof type Open structure type Waterproof type
Using Method Receiver and Transmitter (Dual use) type Combined use type
Nominal Frequency (kHz)
40
Overall Sensitivity (dB)
———–45
+4
–5
— –50 ± 4 — —
Sensitivity (dB)
–74 min. –63 ± 3 –63 ± 3 — –72 min. — –85 min. –87 min.
Sound Pressure (dB)
106 min. 120 ± 3 120 ± 3 — 106 min. — 106 min. 103 min.
Directivity (deg)
100 80 50 44 75 70 75 110 x 50
Capacitance (pF)
2200 ± 20% 2550 ± 20% 2000 ± 20% 2000 ± 20% 2200 ± 20% 2550 ± 20% 2800 ± 20% 4000 ± 20%
Operating Temp. Range
(°C)
–30 ~ +85 –40 ~ +85 –30 ~ +85 –40 ~ +85 –30 ~ +85
Detectable Range (m)
0.2 ~ 3 0.2 ~ 4 0.2 ~ 6 0.2 ~ 4 0.2 ~ 3 0.2 ~ 2.5 0.2 ~ 1.5 0.2 ~ 1.5
Resolution (mm)
9
Dimension (mm)
18
x 12h 9.9
x 7.1h 16
x 12h 16
x 12h 9.9
x 7.1h 14
x 8h
Weight (g)
4.5 0.7 2.0 2.0 4.5 0.7 2.4 2.4
Allowable Input
85 (40kHz) 20 (40kHz) 40 (40kHz) 100 (40kHz)
100Vpp
60 (40kHz) 160 (40kHz) 160Vpp
Voltage (Vp-p)
Pulse width 0.4ms Continuous signal Continuous signal Pulse width 0.4ms Pulse width 0.4ms Pulse width 0.4ms Pulse width 0.8ms Pulse width 0.8ms
(Rectangular wave)
Interval 100ms Interval 100ms Interval 100ms Interval 100ms Interval 60ms Interval 60ms
Packaging Quantity (Pcs.)
90 540 150 150 90 540 80 150
PART NUMBERING SYSTEM
MA40 (–)(R
/S)
40kHz B: 16mm dia. MODEL R: RECEIVER FOR DUAL TYPE
FAMILY S: SMALL 10mm dia. S: SENDER FOR DUAL TYPE
E: WATERPROOF
dia.10.4
dia.18.0 ± 0.5