Photoelectric sensors

Your Benefits

  • A whole range of mounting options thanks to the different housing types
  • Simple alignment and precise detection using PinPoint LEDs
  • Easy to mount with simple M18 hole mounting. No special mounting brackets required.
  • Rugged and reliable operation due to proven SICK sensing technology
  • Clearly visible status display reduces maintenance and service time


The GR18 product family is enclosed in a cylindrical M18 housing and provides an optimal price-performance ratio. Due to its standard M18 housing design, it is suitable for universal use in many different applications. PinPoint LEDs, plastic and metal housing versions as well as status indicators that are easily visible from all angles round off the sensor's features.

At a glance
  • Economical M18 cylindrical sensors with standard housing design
  • Choice of plastic and metal housing variants with straight optical output
  • Very bright and highly visible PinPoint LEDs
  • Highly visible status indicator
  • IP67 enclosure rating


Technical overview

  • Technical data overview

    Technical data overview

    Dimensions (W x H x D)

    18 mm x 18 mm x 73.5 mm

    18 mm x 18 mm x 71.5 mm

    18 mm x 18 mm x 38.1 mm

    Sensing range max.

    3 mm ... 300 mm 1)

    3 mm ... 115 mm 1)

    3 mm ... 350 mm 1)

    5 mm ... 550 mm 1)

    5 mm ... 1,000 mm 1)

    0.03 m ... 7.2 m 2)

    0 m ... 15 m

    Light sourcePinPoint LED / LED
    Type of light

    Visible red light

    Visible blue light

    Infrared light

    Enclosure ratingIP67
    Housing material

    Metal Nickel-plated brass and ABS

    Plastic ABS

    AdjustmentPotentiometer / none
    • 1) Object with 90 % reflectance (referred to standard white, DIN 5033).
    • 2) Reflector PL80A.
All technical data can be found accompanying the individual product