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Position Sensors Process Sensors io-key & IO-Link Motion Control Connection technology Mounting Accessories
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AO021 Mini Photoelectric sensor with PA housing

  • Retro-reflective sensor

  • 20 ... 1800 mm

  • Red light
The dark-on retro-reflective sensor autosen AO021 with a polarisation filter reliably detects even reflective objects. The device is ideal for large distances with an adjustable maximum range of 1.8m. The sensor has an IO-Link and can be quickly and easily parameterised using autosen:io software.

A retro-reflective sensor combines the transmitter and the receiver in the same housing. The emitted red light is reflected in a prismatic reflector and detected by the receiver. The device only functions with the intended prismatic reflector AA949 from autosen, as the reflected light waves are polarised by 90°. This has the advantage that system switching can be suppressed even with reflective surfaces.

The retro-reflective sensor is very small, compact and enables installation in slender and small spaces. When combined with prismatic reflector AA949, autosen AO021 is recommendable, as it can be installed in confined spaces without the need for tools. The retro-reflective sensor has an M8 connector which is connected to the sensor with a cable. The three-wire cable is a 30cm long PVC cable. The protection rating of IP67 allows use of the device in extremely robust operation conditions.

The matching installation accessories and corresponding prismatic reflector (AA949, AA950 or AA951), which has been specifically developed for AO021, can be found below. Scale drawings, operating instructions and further technical data are also available.
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About autosen.com

Buy sensors and sensor systems for automating systems and machines online at revolutionary low prices. As Germany's online pioneer and provider of position sensors, process sensors, industrial communication systems and connection technology for sensor solutions, we have aligned our product line to the daily needs of our industrial customers. In addition to inductive sensors, proximity switches and proximity sensors for non-contact detection of metals, we also offer optical sensors for longer distances in the system of retro-reflective sensor, reflex lights barriers and through-bean light barriers. We also offer sensor solutions in our Online Shop for laser sensors, distance sensors and laser light barriers. For position sensing we offer many different models of capacitive sensors, for example with M12 and M18 thread or in rectangular versions. Magnetic sensors, cylinder sensors and cylinder switches for pneumatic cylinders round out our assortment in position sensing.

In process measurement technology and under process sensors our customers will find their industrial needs sorted in a user-friendly arrangement. Customer who would like to detect a fill level can automate this for example with our level sensors. For measuring process values in pipeline systems we offer various measurement principles such as pressure measurements and monitoring with pressure transmitters, pressure sensors or pressure switches and temperature measurements with temperature sensors and temperature transmitters. For measuring flow speeds in pipes and lines, our customers can also find a wide range of flow sensors and flow meters in our product line. For measuring process media and liquids, our Online Shop also features sensors for monitoring media and process values for automation. For wiring and connecting sensors in machines we offer a large selection of cables, cable boxes and sensor cables in different lengths and sizes and with connectors including M8 and M12 plugs. Our customers will also find the mounting brackets and assembly units required for proper and reliable fastening in the assembly of sensors and sensor systems in our Internet delivery portfolio.