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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_-_o500w.gp_-_diffuse_sensor_3__77266.jpg

    Baumer

    O500W.RP.T-GW1J.PVO

    Retroreflective Sensor, Polarization Filter, Washdown Design, Transparent Object Detection, 10-30VDC, 5.5 Actual Range Sb, 6m Nominal Range Sn, Pulsed PinPoint LED 630 nm, Push-Pull, Teach-In and IO-Link, Light/Dark Operate, M12 4-Pin Conne

  • baumer_-_o500w.gp_-_diffuse_sensor_4__36936.jpg

    Baumer

    O500W.SP-GW1J.PVO

    SmartReflect Light Barrier, Washdown Design, Standard Object Detection,10-30VDC, 60-600mm Background Position Sde, Pulse PinPoint LED, 630 nm, Push-Pull, Teach-In and IO-Link, Light/Dark Operate, M12 4-Pin Connector, Stainless Steel Housing

  • baumer_-_o500w.gp_-_diffuse_sensor_6__77059.jpg

    Baumer

    O500W.SP-GW1J.PVO/H002_B005

    SmartReflect Light Barrier, Washdown Design, Standard Object Detection, 10-30VDC, 60-1200mm Background Position Sde, Pulse PinPoint LED, 630 nm, Push-Pull, Teach-In and IO-Link, Light/Dark Operate, M12 4-Pin Connector, Stainless Steel Housi

  • baumer_-_o500w.sp.t-gw1j.pvob005_-_light_barrier_1__94700.jpg

    Baumer

    O500W.SP.T-GW1J.PVO/B005

    SmartReflect Light Barrier Sensor, Washdown Design, Pulsed PinPoint LED, 10-30VDC, Teach-In and IO Link, Light/Dark Operate, Push-Pull, 100mA, Stainless Steel Housing, PMMA Optics, M12 4-Pin Connector, -25 to +60°C Operating Temperature, 47

  • baumer_oadm_20u5440-s14c_33__20465.jpg

    Baumer

    OADM 20I2441/S14C

    Photoelectric Distance Sensor, Laser Point, 30-70mm Range, Analog Output Signal: 4-20mA, 12-28VDC, 100mA, Quick Disconnect M12 5-pin Rotatable Connector, 0° to +50°C°, IP67, 65 x 20.6 x 50mm (HWD), OADM Series

    $1,763.09
    $1,763.09
  • baumer_oadm_20u5440-s14c_32__07857.jpg

    Baumer

    OADM 20I2460/S14C

    Photoelectric Distance Sensor, Laser Point, 30-130mm Range, Analog Output Signal: 4-20mA, 12-28VDC, 100mA, Quick Disconnect M12 5-pin Rotatable Connector, 0° to +50°C°, IP67, 65 x 20.6 x 50mm (HWD), OADM Series

    $1,763.09
    $1,763.09
  • baumer_oadm_20u5440-s14c_31__07649.jpg

    Baumer

    OADM 20I2472/S14C

    Photoelectric Distance Sensor, Laser Point, 50-300mm Range, Analog Output Signal: 4-20mA, 12-28VDC, 100mA, Quick Disconnect M12 5-pin Rotatable Connector, 0° to +50°C°, IP67, 65 x 20.6 x 50mm (HWD), OADM Series

    $1,763.09
    $1,763.09
  • baumer_oadm_20u5440-s14c_30__56796.jpg

    Baumer

    OADM 20I2480/S14C

    Photoelectric Distance Sensor, Laser Point, 100-600mm Range, Analog Output Signal: 4-20mA, 12-28VDC, 100mA, Quick Disconnect M12 5-pin Rotatable Connector, 0° to +50°C°, IP67, 65 x 20.6 x 50mm (HWD), OADM Series

    $1,763.09
    $1,763.09
  • baumer_oadm_20u5440-s14c_29__28359.jpg

    Baumer

    OADM 20I5440/S14C

    Photoelectric Distance Sensor, Laser Point, 30-50mm Range, Analog Output Signal: 4-20mA, 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

    $2,721.60
    $2,721.60
  • baumer_oadm_20u5440-s14c_27__95576.jpg

    Baumer

    OADM 20I5470/S14C

    Photoelectric Distance Sensor, Laser Point, 50-250mm Range, Analog Output Signal: 4-20mA, 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

    $2,721.60
    $2,721.60
  • baumer_oadm_20u5440-s14c_26__43746.jpg

    Baumer

    OADM 20I5471/S14C

    Photoelectric Distance Sensor, Laser Point, 100-500mm Range, Analog Output Signal: 4-20mA, 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

    $3,702.49
    $3,702.49
  • baumer_oadm_20u5440-s14c_25__71831.jpg

    Baumer

    OADM 20I5480/S14C

    Photoelectric Distance Sensor, Laser Point, 100-600mm Range, Analog Output Signal: 4-20mA, 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

    $3,659.40
    $3,659.40

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