-
$437.13$437.13 -
Pepperl+Fuchs
912573
Luminescence Sensor, 330mm Sensing, Discrete & Analog Output, Returns of This Item Must Be Approved by Manufacturer
$1,599.36$1,599.36 -
Takex
DLN-S10RVP-J
Photo Sensor, 100mm, PNP, Short, BGS/FGS Selector, 12-24VDC, Light ON/Dark ON, M8 Connector, IP67
$140.68$140.68 -
Pepperl+Fuchs
132616
Print Mark Contrast Sensor, Diffuse Mode, 10-30VDC, 11mm ± 2 mm Range, Teach-In, Light/Dark On, 2 Push-Pull O/P, M12 5 Pin, Nickel Plated Die-Cast Zinc, Plastic Optics, -20 to 60°C Ambient Temp., 41.5 x 49 x 15mm (WHD), IP67
$501.76$501.76 -
Pepperl+Fuchs
206277
Print Mark Contrast Sensor, 10-30VDC / 18-30VDC in IO-Link V1.0, 11 mm ± 2 mm Range, Teach In, Light/Dark On, 2 Push-Pull O/P, M12 4 Pin, Nickel Plated Die-Cast Zinc, Plastic Optics, -20 to +60°C Ambient Temp., 41.5 x 49 x 15mm (WHD), IP67
$517.44$517.44 -
Pepperl+Fuchs
418066
Print Mark Contrast Sensor, 10-30VDC, 300mm Range, Laser Diode, 650nm, Light On/Dark On Switchable, Push-Pull O/P, PNP, M12 5 Pin Connector, PC (Makrolon), Glass Optics, -10 to +50°C Ambient Temperature, 33 x 85.6 x 60.8mm (WHD), IP67
$898.24$898.24 -
$404.46$404.46 -
Pepperl+Fuchs
421144
Photoelectric, NPN/PNP, DC, Retroreflective, Pol, IP67, Terminal Conn, 17m Sensing, Polarized, Returns of This Item Must Be Approved by Manufacturer
$463.68$463.68 -
Pepperl+Fuchs
912568
Luminescence Sensor, 190mm Sensing, Discrete Output, Returns of This Item Must Be Approved by Manufacturer
$1,319.36$1,319.36 -
Pepperl+Fuchs
912569
Luminescence Sensor, 190mm Sensing, Discrete & Analog Output, Returns of This Item Must Be Approved by Manufacturer
$1,599.36$1,599.36 -
Pepperl+Fuchs
912570
Luminescence Sensor, 254mm Sensing, Discrete Output, Returns of This Item Must Be Approved by Manufacturer
$1,319.36$1,319.36 -
Pepperl+Fuchs
912571
Luminescence Sensor, 254mm Sensing, Discrete & Analog Output, Returns of This Item Must Be Approved by Manufacturer
$1,599.36$1,599.36
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:
- Background Suppression: Can ignore objects beyond a set distance, focuses close range
- Color or Contrast Sensors: Detects specific colors or contrast differences
- Distance Measuring Sensors: Mesaure the distance to an object
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