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Diffuse sensors

Photoelectric sensors

Available in:

18 Series

Our vast array of diffuse sensors offers an economical solution if you want to reliably detect contrast differences. These diffuse sensors detect objects based on their surface, color, and material. Thus, their scanning range depends on the size, shape, color, and texture of the reflective object surface.

The transmitter and receiver are housed together in a single unit so that you can easily mount the diffuse photoelectric sensors and align them quickly using their highly visible light beams. You select the most suitable light type based on your application. Depending on the model, our diffuse sensors offer you highly visible red light, invisible infrared light, or very precise laser light that is ideally suited for detecting small parts.

For color-independent and surface-independent detection, we recommend diffuse sensors with background suppression. They work with red light or the laser red light that is ideally suited for detecting small parts. Their scanning behavior is virtually constant, even with different reflectance levels. Our diffuse sensors with background suppression detect objects within a set switching distance, without being affected by reflective backgrounds. Object and background can be differentiated very definitively, especially as these diffuse photoelectric sensors are characterized by their low gray value shift and hysteresis.

Since the transmitter and receiver are housed together in a single unit to save space, you can easily mount our background suppression photoelectric sensors and align them quickly. In addition, the highly visible light beam with the versions available in red light, blue light and lasers make it easier for you to do this. With IO-Link, teach-in or via potentiometer, you can easily adjust many sensor versions. Versions with fixed switching distance are also available.

Special features of our diffuse sensors

  • Ideal for detecting contrast differences – dependent upon surface, color and material
  • For diffuse sensors with background suppression: reliable object detection with different ranges, virtually independent of surface, color and material
  • Cost-effective and easy to mount and align thanks to highly visible light beam
  • Shorter ranges compared to retro-reflective and through-beam sensors
  • Mounting includes only one electrical device
  • Light scanners with blue light for perfect detection of objects that are difficult to recognize

Product guide for object recognition

Tell us what your requirements are and we will tell you which product you need!

18 Series

Series
Style Housing Range max. Switching function Interface Light type Connection type Connector 01, style Cable jacket, material
Actions
block style 2000 mm normally open (NO), NO/NC IO-Link, PNP/NPN/push-pull, NPN, PNP Laser red light, LED infrared, LED, red light, Infrared Connector M12x1
block style 5000 mm normally open (NO), NO/NC IO-Link, PNP/NPN/Auto-Detect, PNP/NPN, NPN, PNP Laser red light, LED, red light Connector M12x1
block style 600 mm normally open (NO) NPN, PNP Laser red light, LED, red light, Infrared Connector M12x1
block style 3500 mm normally open (NO), NO/NC PNP LED, red light Connector M12x1
block style 300 mm NO/NC NPN, PNP Laser red light Cable, Connector M8x1 PVC
block style 2000 mm NO/NC Relay Infrared Screw terminals
block style 1500 mm NO/NC PNP/NPN/IO-Link, PNP/NPN, NPN, PNP Laser red light, LED, red light, LED Blue light Cable, Connector M8x1 PVC
block style 60 mm normally closed (NC), normally open (NO) IO-Link, NPN, PNP Laser red light, LED, red light Cable, Cable with connector, Connector M8x1 PUR
block style 100 mm normally closed (NC), normally open (NO) IO-Link, NPN, PNP LED, red light Cable, Cable with connector M8x1 PUR
block style 150 mm normally closed (NC), normally open (NO) NPN, PNP LED, red light Cable, Cable with connector M8x1 PVC
block style 1000 mm NO/NC IO-Link, Pin 2: PNP/NPN/push-pull, Pin 4: Push-pull, Analog, current Laser red light, LED, red light Connector M12x1
block style 300 mm normally open (NO) NPN, PNP LED, red light Cable, Connector M12x1 PVC
block style 1000 mm normally closed (NC), NO/NC NPN, PNP LED infrared, LED, red light Cable, Connector M8x1 PVC
block style 30 mm normally closed (NC), normally open (NO) NPN, PNP LED, red light Cable, Cable with connector M8x1 PVC, TPU
Ø 36 mm, Ø 35 mm 2000 mm NO/NC NPN, PNP Infrared Connector M12x1
Ø 12 mm 400 mm normally closed (NC), normally open (NO) NPN, PNP LED infrared, LED, red light, Red light, Infrared Cable, Connector M12x1 PVC
Ø 18 mm 800 mm normally closed (NC), normally open (NO), NO/NC IO-Link, Pin 2: PNP/NPN/push-pull, Pin 4: PNP/NPN/push-pull, NPN, PNP Laser red light, LED infrared, LED, red light, Infrared Cable, Cable with connector, Connector M12x1, Molex Mini-Fit 4.2 PVC
Ø 8 mm 60 mm normally closed (NC), normally open (NO) IO-Link, NPN, PNP LED, red light Cable, Cable with connector, Connector M8x1 PUR