RS Pro Ultrasonic Sensor Barrel, 0.2 → 4 m, PCB

  • RS stock no. 237-0799
  • Manufacturer RS PRO
Technical data sheets
Legislation and Compliance
Product Details

RS Pro Compact Ultrasonic Sensors

Compact ultrasonic sensors are highly sensitive and compact sensors. The RS Pro range of open structure, compact ultrasonic sensors are used to receive ultrasonic waves.

Features & Benefits

• Compact and light weight • High sensitivity and sound pressure
• 40kHz operating frequency
• Directivity 80°
• Body is elastically fixed to the base
• Housed in a case

Typical Application

• Burglar alarms • Range finders
• Automatic doors
• remote controls


The MA40S4 sensors cannot be used outdoors.

Attribute Value
Detection Range 0.2 → 4 m
Body Style Barrel
Transducer Frequency 40kHz
Diameter 10 mm
Supply Voltage 20 V
Terminal Type PCB
Minimum Operating Temperature -40°C
Maximum Operating Temperature +85°C
Length 7.1mm
Dimensions 7.1 x 9.9 mm
10 In stock for delivery next working day
Price (Excl VAT) Each
R 172.23
(exc. VAT)
R 198.06
(inc. VAT)
Per unit
1 - 14
R 172.23
15 +
R 168.78