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Photoelectric Sensors

Photoelectric sensors detect the distance, absence or presence of an object. These sensors are great for sensing long distances and detecting most materials.

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  • Baumer_FUH_A_Primary.jpg

    Baumer

    FUH 010A2002

    Fiber Optic Cable, Diffuse Type, Sensing Distance Up To 35 mm, Chrome-nickel Sleeve ⌀2 mm, Metal Sleeve 10 cm Long, Operating Temperature +120℃, For Rugged Fiber Optic Sensors FZAM 18 and FZAM 30

  • Baumer_FUH_Primary.jpg

    Baumer

    FUH 010B2001

    Glass Fiber Optic Cable, Diffuse Type, Sensing Distance Up To 60 mm, Chrome-nickel Sleeve ⌀3 mm, Metal Sleeve 10 cm Long, Operating Temperature +120℃, For Rugged Fiber Optic Sensors FVDM 15

  • Baumer_FUH_B_Primary.jpg

    Baumer

    FUH 010B2002

    Glass Fiber Optic Cable, Diffuse Type, Sensing Distance Up To 25 mm, Chrome-nickel Sleeve ⌀2 mm, Metal Sleeve 10 cm Long, Operating Temperature +120℃, For Rugged Fiber Optic Sensors FVDM 15

  • Baumer_FVDK_Primary.png

    Baumer

    FVDK 10N5101

    Fiber Optic Sensor, Pulsed Red LED, 10-30VDC, 160mm Actual Range Sb, 45mm Sensing Distance Tw, Potentiometer 270°, NPN, Light/Dark Operate, 2m Cable, 27 x 10.4 x 14mm (HWD), Plastic ASA Housing, -25 to +55°C, IP40

  • Baumer_FVDK_S35_Primary.png

    Baumer

    FVDK 10N5101/S35A

    Fiber Optic Sensor, Pulsed Red LED, 10-30VDC, 160mm Actual Range Sb, 45mm Sensing Distance Tw, Potentiometer 270°, NPN, Light/Dark Operate, M8 Connector, 27 x 10.4 x 14mm (HWD), Plastic ASA Housing, -25 to +55°C, IP40

  • Baumer_FVDK_Y_Primary.png

    Baumer

    FVDK 10N66Y0

    Fiber Optic Sensor, Pulsed Red LED, 10.8-26.4VDC, 340mm Actual Range Sb, 130mm Sensing Distance Tw, Digital Display, Teach-in, NPN, Light/Dark Operate, 2m Cable, 33.8 x 10 x 70.2mm (HWD), Plastic ABS Housing, -25 to +55°C, IP40

  • Baumer_FVDK_Y_S35_Primary.png

    Baumer

    FVDK 10N66Y0/S35A

    Fiber Optic Sensor, Pulsed Red LED, 10.8-26.4VDC, 340mm Actual Range Sb, 130mm Sensing Distance Tw, Digital Display, Teach-in, NPN, Light/Dark Operate, M8 4-Pin Connector, 33.8 x 10 x 70.2mm (HWD), Plastic ABS Housing, -25 to +55°C, IP40

  • Baumer_FVDK_Y_Primary.png

    Baumer

    FVDK 10N66YM

    Fiber Optic Sensor, Pulsed Red LED, 10.8-26.4VDC, 340mm Actual Range Sb, 130mm Sensing Distance TW, Digital Display, Teach-in, NPN, Light/Dark Operate, 2m Cable, 33.8 x 10 x 70.2mm (HWD), Plastic ABS Housing, -25 to +55°C, IP40

  • Baumer_FVDK_Y_Primary.png

    Baumer

    FVDK 10N66YR

    Fiber Optic Sensor, Pulsed Red LED, 10.8-26.4VDC, 340mm Actual Range Sb, 130mm Sensing Distance TW, Digital Display, Teach-in: Button/External, NPN, Light/Dark Operate, 2m Cable, 33.8 x 10 x 70.2mm (HWD), ABS Housing, -25 to +55°C, IP40

Photoelectric sensors detect the distance, absence or presence of an object. These sensors are great for sensing long distances and detecting most materials.

How Does a Photoelectric Sensor Work?

Generally a photoelectric sensor consists of the following:

  • Transmitter - emits the light beam
  • Receiver - detects the light beam and converts it to an electrical signal

Photoelectric sensors detect changes in the light beam caused by the presence/absence, movement or properties of an object.

Types of Photoelectric Sensors:

  • Through-Beam (Thru-Beam)
    • Transmitter and receiver are two separate units that are directly opposite of each other. The sensor detects when an objects breaks the light beam
    • Great for long distance detection
    • Ideal for conveyors, counting or monitoring door openings
  • Retroreflective (Reflective Mode)
    • Transmitter and receiver are in one housing; light beam is reflected back by a reflector. Detection is triggered when an object breaks the beam.
    • Medium range detection and easier to install than a through beam
    • Ideal for package detection and pallet positioning
  • Diffuse (Proximity Mode)
    • The transmitter and receiver in one housing; the sensor detects light reflected directly off the target object (no reflector needed)
    • Best for short range applications
    • Ideal for detecting objects on assembly lines, verifying presence or checking fill level
  • Specialized Types:

Categories Related to Photoelectric Sensors:

  • Stack lights - signal towers visually communicate the data or alerts that the photoelectric sensors are generating
  • Smart relays - photoelectric sensors provide input signals which can process the data and control outputs
  • Pushbuttons and estops - if your sensor detects a fault, an operator can use a pushbutton to reset the system
  • HMIs - HMIs can dispay the data from the photoelectric sensor which allows you to monitor processes