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Sick reflex sensorsSick logo
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Reflex sensors

Sick reflex  photoelectric sensors

With photoelectric reflex sensors, the emitted light beam is reflected by a reflector and then received and evaluated by the device. Polarisation filters prevent incorrect operation when reflective objects are detected. Transparent films and shrink wrap may influence the way in which the reflex photoelectric switches with polarisation filters function. Devices with reduced sensitivity solve this problem. The use of laser diodes allows greater scanning ranges while simultaneously maintaining a high resolution. Focus ranges can be set with high precision.

We have only listed some of the popular products. If you cannot find what you looking for please call our office.
Photoelectric reflex switch

  Reflex sensors    
Erwin Sick WT2 slim
Erwin Sick. Reflex sensor.
  • Erwin Sick - Germany
  • Reflex mode
  • Range: 0.04 to 0.8m
  • Supply: 10-30VDC
  • Red light source
  • Output: PNP or NPN
  • Light and dark switching models
  • Connection: 2mtr cable or pigtail with M8 plug
  • Enclosure: IP 67
  • Temperature: -20°C  to 50°C
  • Housing material: ABS
  • Mounting screws included
  WL2S slim  
Sick W4-2 Reflex sensor
Erwin Sick. Reflex sensor.
  • Erwin Sick - Germany
  • Range: 2.8m (PL80A)  
  • Supply: 10-30 VDC
  • Red light source 
  • Output: NPN or PNP versions 
  • Dark and light switching versions
  • Connection: 2m cable, M8 plug
  • Enclosure: IP 67
  • Temperature: -40°C  to 60°C
  • Housing material: ABS

 

  WL4-2  
Sick WL4-3
Erwin Sick. Reflex 4Mtr
  • Erwin Sick - Germany
  • Reflex
  • Range: 4m
  • Supply: DC10-30VDC
  • Red light source
  • Output: PNP or NPN
  • Dark switching and NO+NC models
  • Connection: 2mtr cable, M8 3pin and 4pin plug
  • Enclosure: IP 66, 67 
  • Temperature: -40°C  to 60°C
  • Housing material: ABS

 

  WL4-3 Reflex sensor  
Sick WLG4-3 transparent object sensor
Erwin Sick. Glass/transparent object sensor.
  • Erwin Sick - Germany 
  • Polarisation filter for reliable detection glass and transparent films
  • Range: 3.5m (PL80A)  
  • Supply: 10-30 VDC
  • Red light source 
  • Output: NPN or PNP versions 
  • Dark-switching output
  • Connection: 2m cable, M8 plug
  • Enclosure: IP 67
  • Temperature: -40°C  to 60°C
  • Housing material: Bayblend, PMMA 

 

  WLG4-3  
Sick W140
Erwin Sick. Reflex 0-6Mtr
  • Erwin Sick - Germany
  • Polarised reflex
  • Range: 6m (PL80A), 2.2m (P45 supplied)
  • Supply: DC10-30VDC
  • Red light source with polarizing filter
  • Output: PNP or NPN
  • Light and dark switching
  • Connection: 2mtr cable or M8 3/4 pin plug
  • Enclosure: IP 67
  • Temperature: -25°C  to 55°C
  • Housing material: PBT
  • P45 reflector and mounting bracket included
  WL140-2  
Sick W12 series
Erwin Sick. Polarised reflex.
  • Erwin Sick - Germany 
  • Polarisation filter for reliable detection of reflective objects 
  • Range: 7m (PL80A)  or 2m focus 90mm (PL80A)
  • Supply: 10-30 VDC
  • Red light source 
  • Output: NPN or PNP versions 
  • Q and not Q output (complement) 
  • Connection: 2mtr cable or M12, 4-pin plug
  • Enclosure: IP 67
  • Temperature: -40 °C  to 60 °C
  • Housing material: Zinc die-cast
  WL12-2  
Sick W12 series
Erwin Sick. Low hysteresis for glass and transparent films.
  • Erwin Sick - Germany 
  • Polarisation filter for reliable detection of reflective objects 
  • Range: 7m (PL80A)
  • Supply: 10-30 VDC
  • Red light source 
  • Output: PNP/NPN or PNP versions 
  • Q and not Q output (complement) 
  • Connection: M12 plug-in
  • Enclosure: IP 67
  • Temperature: -40°C to 60°C
  • Housing material: Zinc die-cast
  WL12-2 low hysteresis  
Sick W250 series
Erwin Sick. Polarised reflex.
  • Erwin Sick - Germany 
  • Polarisation filter for reliable detection of reflective objects 
  • Range: 0,01 ... 13,5m (PL80A)  
  • Supply: 10-30 VDC
  • Red light source 
  • Output: NPN or PNP versions 
  • Light-/dark-switching via L/D control cable
  • Connection: 2mtr cable or M12, 4-pin plug
  • Enclosure: IP 67
  • Temperature: -25 °C  to 55 °C
  • Housing material: ABS
  • Optics material: PMMA
  • Mounting bracket and P250 reflector included
  WL250 DC  
Sick WL250
Erwin Sick. Polarised reflex.
  • Erwin Sick - Germany 
  • Polarisation filter for reliable detection of reflective objects 
  • Range: 0,01 ... 13,5m (PL80A)  
  • Supply: 12-240VDC, 24-240VAC 
  • Red light source 
  • Output: 3A Relay
  • Connection: 2mtr cable
  • Enclosure: IP 67
  • Temperature: -25 °C  to 55 °C
  • Housing material: ABS
  • Optics material: PMMA
  • Mounting bracket and P250 reflector included
  WL250-S132  
Sick W260 series
Erwin Sick. Polarised reflex.
  • Erwin Sick - Germany
  • Polarisation filter for reliable detection of reflective objects 
  • Range: 14m (PL80A), 8m (P250)
  • Supply: 10-30VDC
  • Red light source 
  • Output: NPN or PNP versions 
  • Light or dark switching
  • Connection: terminal chamber via gland or M12 plug
  • Enclosure: IP 67
  • Temperature: -25 °C  to 55 °C
  • Housing material: ABS
  • Mounting bracket and P250 reflector included
  WL260 DC  
Sick W260 series
Erwin Sick. Polarised reflex.
  • Erwin Sick - Germany 
  • Polarisation filter for reliable detection of reflective objects 
  • Range: 15m (PL80A), 10m (P250)
  • Supply: 12-240VDC, 24-240VAC
  • Red light source 
  • Output: Relay, 3A
  • Light-switching
  • Connection: terminal chamber via gland
  • Enclosure: IP 67
  • Temperature: -25 °C  to 55 °C
  • Housing material: ABS
  • Mounting bracket and P250 reflector included
  WL260 UC