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_oadm_20u5440-s14c_4__65559.jpg

    Baumer

    OADM 20U5571/S14C

    Photoelectric Distance Sensor, Laser Line, 100-500mm Range, Analog Output Signal: 0-10VDC, 12-28VDC, 100mA, PNP, Quick Disconnect M12 5-pin Rotatable Connector, 0° to +50°C°, IP67, 65 x 20.6 x 50mm (HWD), OADM Series

    $3,932.00
    $3,932.00
  • baumer_oadm_20u5440-s14c_3__99488.jpg

    Baumer

    OADM 20U5581/S14C

    Photoelectric Distance Sensor, Laser Line, 200-1000mm Range, Analog Output Signal: 0-10VDC, 12-28VDC, 100mA, PNP, Quick Disconnect M12 5-pin Rotatable Connector, 0° to +50°C°, IP67, 65 x 20.6 x 50mm (HWD), OADM Series

    $3,932.00
    $3,932.00
  • baumer-oadm-21i__72428.jpg

    Baumer

    OADM 21I6480/S14F

    Photoelectric Distance Sensor, Laser Point, 100-600mm Range, Analog Output Signal: 4-20mA / 0-10VDC, 12-28VDC, 100mA, PNP, Quick Disconnect M12 8-pin Rotatable Connector, 0° to +50°C°, IP67, 135 x 20.4 x 45mm (HWD), OADM Series

    $4,406.00
    $4,406.00
  • baumer-oadm-21i_1__77945.jpg

    Baumer

    OADM 21I6481/S14F

    Photoelectric Distance Sensor, Laser Point, 200-1000mm Range, Analog Output Signal: 4-20mA / 0-10VDC, 12-28VDC, 100mA, PNP, Quick Disconnect M12 8-pin Rotatable Connector, 0° to +50°C°, IP67, 135 x 20.4 x 45mm (HWD), OADM Series

    $4,406.00
    $4,406.00
  • baumer-oadm-21i_2__94956.jpg

    Baumer

    OADM 21I6580/S14F

    Photoelectric Distance Sensor, Laser Line, 100-600mm Range, Analog Output Signal: 4-20mA / 0-10VDC, 12-28VDC, 100mA, PNP, Quick Disconnect M12 8-pin Rotatable Connector, 0° to +50°C°, IP67, 135 x 20.4 x 45mm (HWD), OADM Series

    $4,406.00
    $4,406.00
  • baumer-oadm-21i_3__78480.jpg

    Baumer

    OADM 21I6581/S14F

    Photoelectric Distance Sensor, Laser Line, 200-1000mm Range, Analog Output Signal: 4-20mA / 0-10VDC, 12-28VDC, 100mA, PNP, Quick Disconnect M12 8-pin Rotatable Connector, 0° to +50°C°, IP67, 135 x 20.4 x 45mm (HWD), OADM Series

    $4,406.00
    $4,406.00
  • baumer-oadm-250i1__86089.jpg

    Baumer

    OADM 250I1101/S14C

    Photoelectric Distance Sensor, Laser Point, 200-4000mm Range, Analog Output Signal: 4-20mA, 15-28VDC, 250mA, Push-Pull, Quick Disconnect M12 5-pin Rotatable Connector, -25 to +50°C°, IP67, 66 x 25.4 x 51mm (HWD), OADM Series

    $3,051.00
    $3,051.00
  • baumer_oadm_250i11c_870x630__96980.jpg

    Baumer

    OADM 250U1101/S14C

    Photoelectric Distance Sensor, Laser Point, 200-4000mm Range, Analog Output Signal: 0-10VDC, 15-28VDC, 250mA, Push-Pull, Quick Disconnect M12 5-pin Rotatable Connector, -25 to +50°C°, IP67, 66 x 25.4 x 51mm (HWD), OADM Series

    $3,051.00
    $3,051.00
  • baumer-oadm-260__11301.jpg

    Baumer

    OADM 260I1101/S14C

    Photoelectric Distance Sensor, Laser Point, 200-13000mm Range, Analog Output Signal: 4-20mA, 15-28VDC, 250mA, Push-Pull, Quick Disconnect M12 5-pin Rotatable Connector, -25° to +50°C°, IP67, 66 x 25.4 x 51mm (HWD), OADM Series

    $3,051.00
    $3,051.00

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