Document
SENSORS ULTRASONIC SENSORS MA40 SERIES
MA40 SERIES OPEN TYPE FEATURES
I I I I Small size: 10 and 16 Combined types High SPL types Low voltage/current types
MA40E SERIES WATERPROOF TYPE FEATURES 40kHz Sensors
I I I I Waterproof Many types leaded/not Short ringing time Directive models
APPLICATIONS
I Burglar alarms I Object detection devices I Distance measurement devices
APPLICATIONS
I Rear backing sonar I Corner sonar
SENSORS
DIMENSIONS: mm
MA40S4R/S
9.9 7.1 12 10 9 5 10 5 10 10 9
MA40B8R/S
MA40S5
9.9 7.1
MA40B7
OPEN
16
16
12
MA407S-1
MA40F14-1B
dia.18.0 ± 0.5 dia.10.4
MA40E7R/S
3 ± 0.1 9 ± 0.1
MA40E8-2
14 ± 0.3 18 10.4 12 10 10 10.4
8 ± 0.3
WATERPROOF
40 ± 5
50 ± 2 deg.
12.0 ± 0.5 9.0 ± 1.0 10.0 ± 0.3
39.5 ± 5
12 ± 0.2 14 ± 0.1
SPECIFICATIONS
Part Number MA40E7R/S MA40S4R/S MA40B8R/S MA40B7 MA40E7S-1 MA40S5
Open structure type Combined use type –50 ± 4 — — 70 2550 ± 20% –40 ~ +85 0.2 ~ 2.5
MA40E8-2
MA40MF14-1B
Construction Waterproof type Open structure type Waterproof type Using Method Receiver and Transmitter (Dual use) type Nominal Frequency (kHz) 40 +4 Overall Sensitivity (dB) — — — –45–5 — Sensitivity (dB) –74 min. –63 ± 3 –63 ± 3 — –72 min. Sound Pressure (dB) 106 min. 120 ± 3 120 ± 3 — 106 min. Directivity (deg) 100 80 50 44 75 Capacitance (pF) 2200 ± 20% 2550 ± 20% 2000 ± 20% 2000 ± 20% 2200 ± 20% Operating Temp. Range(°C) –30 ~ +85 –40 ~ +85 –30 ~ +85 Detectable Range (m) 0.2 ~ 3 0.2 ~ 4 0.2 ~ 6 0.2 ~ 4 0.2 ~ 3 Resolution (mm) 9 Dimension (mm) 18 x 12h 9.9 x 7.1h 16 x 12h 16 x 12h Weight (g) 4.5 0.7 2.0 2.0 4.5 Allowable Input 85 (40kHz) 20 (40kHz) 40 (40kHz) 100 (40kHz) 100Vpp Voltage (Vp-p) Pulse width 0.4ms Pulse width 0.4ms Pulse width 0.4ms Continuous signal Continuous signal (Rectangular wave) Interval 100ms Interval 100ms Interval 100ms Packaging Quantity (Pcs.) 90 540 150 150 90
Waterproof type
— — –85 min. –87 min. 106 min. 103 min. 75 110 x 50 2800 ± 20% 4000 ± 20% –30 ~ +85 0.2 ~ 1.5 0.2 ~ 1.5
9.9 x 7.1h 14 x 8h 0.7 2.4 2.4 60 (40kHz) 160 (40kHz) 160Vpp Pulse width 0.4ms Pulse width 0.8ms Pulse width 0.8ms Interval 100ms Interval 60ms Interval 60ms 540 80 150
PART NUMBERING SYSTEM
MA40
40kHz FAMILY
२
२(–२)
(R/S)
R: RECEIVER FOR DUAL TYPE S: SENDER FOR DUAL TYPE
B: 16mm dia. S: SMALL 10mm dia. E: WATERPROOF
MODEL
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.
CG01-J
577
.