AO009Diffuse reflection sensor M12x1 metal thread

  • Diffuse reflection sensor

  • 1 … 400 mm

  • Infrared light
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92.64 98.03
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110.23 116.65
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Incl. 5.50 % online discount
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Important information for customers outside Germany
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  • Diffuse reflection sensor with M12 metal thread (brass, white bronze plated), M12 connector (4-pin) and function check output
  • Sensing range 1...400 mm
  • Light-on/dark-on mode programmable
  • Highly focussed infrared light beam
  • Protection rating IP65

Your advantages at

  • 30-day right of return
  • 5-year warranty
  • Super-fast delivery
  • Over 20,000 satisfied customers
Everything about autosen


Diffuse reflection sensor with function check output and infrared light beam The AO009 from autosen is a diffuse reflection sensor in M12 metal thread design. The optical transmitter/receiver system is integrated in one housing and needs no additional tool for object detection. The infrared light is reflected by the object to be detected and is detected and evaluated by the receiver integrated in the sensor.

Tried-and-tested millions of times in daily use. Photoelectric sensors from autosen are manufactured in Germany according to highest quality demands with regard to robustness, noise immunity and reliability. Save up to 50 % compared to other manufacturers, benefit from the 30-day right to return and 5-year warranty for our products.

For further technical details as well as suitable accessories (sensor cables AA005, AA006, AA007, AA008; angle bracket AA902) please see the detailed data sheet – at

Technical data AO009

General information

Diffuse reflection sensor
320 Hz
Infrared light
1 … 400 mm

Outputs / inputs

Light/dark switching programmable

Electrical data

10 ... 36 V DC
Direct voltage (DC)
10 mA
3.5 V
200 mA
2.5 V
35 mA

Mechanical data

Cylindrical with thread
85 mm
Brass coated with white bronze
Contacts gold-plated


185 mm with max. range

Ambient conditions

-25 °C
60 °C

Additional information

607 years
Switching status: LED, yellow
2 fastening nuts
DIN EN 60947-5-2


1: Potentiometer for sensitivity setting

x - distance [mm]
y - excess gain factor

Pin 2 = function check output
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