SENSORS ULTRASONIC SENSORS MA40 SERIES MA40 SERIES OPEN TYPE FEATURES ■ ■ ■ ■ MA40E SERIES WATERPROOF TYPE FEATURES 40kHz Sensors Small size: 10 and 16 Combined types High SPL types Low voltage/current types ■ ■ ■ ■ APPLICATIONS Waterproof Many types leaded/not Short ringing time Directive models APPLICATIONS ■ Burglar alarms ■ Object detection devices ■ Distance measurement devices SENSORS ■ Rear backing sonar ■ Corner sonar DIMENSIONS: mm MA40S4R/S MA40B8R/S OPEN 9.9 MA40S5 MA40B7 9.9 16 7.1 16 7.1 12 12 10 10 9 5 10 dia.10.4 MA40F14-1B 9.0 ± 1.0 MA40E8-2 3 ± 0.1 9 ± 0.1 8 ± 0.3 14 ± 0.3 10.4 18 10.4 40 ± 5 50 ± 2 deg. 12.0 ± 0.5 10 MA40E7R/S dia.18.0 ± 0.5 MA407S-1 WATERPROOF 9 5 12 ± 0.2 39.5 ± 5 12 14 ± 0.1 10 10.0 ± 0.3 10 SPECIFICATIONS Part Number MA40E7R/S MA40S4R/S MA40B8R/S MA40B7 MA40E7S-1 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 MA40S5 MA40E8-2 MA40MF14-1B Open structure type Combined use type Waterproof type –50 ± 4 — — 70 2550 ± 20% –40 ~ +85 0.2 ~ 2.5 — — –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 B: 16mm dia. S: SMALL 10mm dia. E: WATERPROOF (–) (R/S) MODEL R: RECEIVER FOR DUAL TYPE S: SENDER FOR DUAL TYPE 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