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_-_om70-vi_-_sensor_11__21505.jpg

    Baumer

    OM70-L1000.HH1000.VI

    High Performance Laser Distance Sensor, 100-1000mm Measuring Distance Sd, 1000mm Sweet Spot, OM70 Laser Line Basic, Touch Display, RS485, 15-28VDC, Analog and RS485, IP67, 74 x 26 x 55mm (HWD)

    $3,695.00
    $3,695.00
  • baumer_-_om70-ek_-_sensor_12__23118.jpg

    Baumer

    OM70-L1000.HV0500.EK

    High Performance Laser Distance Sensor, 100-1000mm Measuring Distance Sd, 500mm Sweet Spot, OM70 Laser Line, Webserver, Ethernet TCP/IP, 15-28VDC, Analog and Digital, IP67, 74 x 26 x 55mm (HWD)

    $4,056.00
    $4,056.00
  • baumer_-_om70-vi_-_sensor_12__59270.jpg

    Baumer

    OM70-L1000.HV0500.VI

    High Performance Laser Distance Sensor, 100-1000mm Measuring Distance Sd, 500mm Sweet Spot, OM70 Laser Line, Touch Display, RS485, 15-28VDC, Analog and RS485, IP67, 74 x 26 x 55mm (HWD)

    $3,695.00
    $3,695.00
  • baumer_-_om70-ek_-_sensor_13__67684.jpg

    Baumer

    OM70-L1000.HV0700.EK

    High Performance Laser Distance Sensor, 100-1000mm Measuring Distance Sd, 700mm Sweet Spot, OM70 Laser Line, Webserver, Ethernet TCP/IP, 15-28VDC, Analog and Digital, IP67, 74 x 26 x 55mm (HWD)

    $4,056.00
    $4,056.00
  • baumer_-_om70-vi_-_sensor_13__00346.jpg

    Baumer

    OM70-L1000.HV0700.VI

    High Performance Laser Distance Sensor, 100-1000mm Measuring Distance Sd, 700mm Sweet Spot, OM70 Laser Line, Touch Display, RS485, 15-28VDC, Analog and RS485, IP67, 74 x 26 x 55mm (HWD)

    $3,695.00
    $3,695.00
  • baumer_-_om70-ek_-_sensor_14__32121.jpg

    Baumer

    OM70-L1000.HV1000.EK

    High Performance Laser Distance Sensor, 100-1000mm Measuring Distance Sd, 1000mm Sweet Spot, OM70 Laser Line Basic, Webserver, Ethernet TCP/IP, 15-28VDC, Analog and Digital, IP67, 74 x 26 x 55mm (HWD)

    $4,056.00
    $4,056.00
  • baumer_-_om70-vi_-_sensor_14__24716.jpg

    Baumer

    OM70-L1000.HV1000.VI

    High Performance Laser Distance Sensor, 100-1000mm Measuring Distance Sd, 1000mm Sweet Spot, OM70 Laser Line Basic, Touch Display, RS485, 15-28VDC, Analog and RS485, IP67, 74 x 26 x 55mm (HWD)

    $3,695.00
    $3,695.00
  • baumer_-_om70-ek_-_sensor_15__15616.jpg

    Baumer

    OM70-L1500.HH1500.EK

    High Performance Laser Distance Sensor, 150-1500mm Measuring Distance Sd, 1500mm Sweet Spot, OM70 Laser Line Basic, Webserver, Ethernet TCP/IP, 15-28VDC, Analog and Digital, IP67, 74 x 26 x 55mm (HWD)

    $4,056.00
    $4,056.00
  • baumer_-_om70-vi_-_sensor_15__82048.jpg

    Baumer

    OM70-L1500.HH1500.VI

    High Performance Laser Distance Sensor, 150-1500mm Measuring Distance Sd, 1500mm Sweet Spot, OM70 Laser Line Basic, Touch Display, RS485, 15-28VDC, Analog and RS485, IP67, 74 x 26 x 55mm (HWD)

    $3,695.00
    $3,695.00
  • baumer_-_om70-ek_-_sensor_16__73381.jpg

    Baumer

    OM70-L1500.HV1500.EK

    High Performance Laser Distance Sensor, 150-1500mm Measuring Distance Sd, 1500mm Sweet Spot, OM70 Laser Line Basic, Webserver, Ethernet TCP/IP, 15-28VDC, Analog and Digital, IP67, 74 x 26 x 55mm (HWD)

    $4,056.00
    $4,056.00
  • baumer_-_om70-vi_-_sensor_16__57937.jpg

    Baumer

    OM70-L1500.HV1500.VI

    High Performance Laser Distance Sensor, 150-1500mm Measuring Distance Sd, 1500mm Sweet Spot, OM70 Laser Line Basic, Touch Display, RS485, 15-28VDC, Analog and RS485, IP67, 74 x 26 x 55mm (HWD)

    $3,695.00
    $3,695.00
  • baumer_-_om70-ek_-_sensor_17__15436.jpg

    Baumer

    OM70-P0070.HH0048.EK

    High Performance Laser Distance Sensor, 30-70mm Measuring Distance Sd, 48mm Sweet Spot, OM70 Laser Point, Webserver, Ethernet TCP/IP, 15-28VDC, Analog and Digital, IP67, 74 x 26 x 55mm (HWD)

    $4,056.00
    $4,056.00

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