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Takex
DLN-S5RVP
Photo Sensor, 50mm, PNP, Short, BGS/FGS Selector, 12-24VDC, Light ON/Dark ON, w/2m Cable, IP67
$129.63$129.63 -
Baumer
FHDM 12N5001
Diffuse Sensor With Background Suppression-Miniature, 15...300 mm Sensing Distance, Pulsed Red LED, NPN, Mechanical (5 Turn), 2 Meter Cable Length (4 Pin), 10...30VDC, IP67
$476.40$476.40 -
Baumer
FPDK 10P5130/S35A
Retroreflective Sensor, Miniature, Pulsed Red LED, 10-30VDC, 3.5m Actual Range Sb, 4m Nominal Range Sn, PNP, Light/Dark Operate, M8 4-Pin Connector, 27 x 10.4 x 16.3mm (HWD), Plastic (ASA) Housing, PMMA Optics, -25° to +65°C, IP67
$237.09$237.09 -
Baumer
FPDK 14N5101/S35A
Retroreflective Sensor, Standard, Pulsed Red LED, 10-30VDC, 7m Actual Range Sb, 7.2m Nominal Range Sn, NPN, Light/Dark Operate, M8 4-Pin Connector, 43 x 14.8 x 31mm (HWD), Plastic (ASA, MABS) Housing, PMMA Optics, -25° to +65°C, IP67
$235.09$235.09 -
Baumer
FPDK 14P5111/S35A
Retroreflective Sensor, Standard, Pulsed Red LED, 10-30VDC, 3.2m Actual Range Sb, 3.8m Nominal Range Sn, PNP, Light/Dark Operate, M8 4-Pin Connector, 43 x 14.8 x 31mm (HWD), Plastic (ASA, MABS) Housing, PMMA Optics, -20° to +65°C, IP67
$466.20$466.20 -
Takex
GS5SPN
Photoelectric Sensor, Diffuse Reflective, PNP, Infrared LED, 70mm Range, 12/24VDC, Cable, IP67
$118.15$118.15 -
Takex
GSZ3RSPN
Photoelectric Sensor, Convergent Reflective, PNP, Red LED, Side-On, 3-40mm Range, IP67
$135.58$135.58 -
Baumer
O300.GL-PV1T.72N
Diffuse Sensor with Background Suppression (BGS), Pulsed Red Laser Diode, 11-30VDC, 30-250mm Sensing Range, qTeach, Light/Dark Operate, M8 4-Pin Connector, IP67, 32.3 x 12.9 x 23mm (HWD)
$339.20$339.20 -
Baumer
O500.GR-GW1T.72CU
Diffuse Sensor, Background Suppression, 10-30VDC, 60-550mm Sensing Distance Tw, 30-600mm Sensing Range Tb, Pulsed Red LED, 630 nm, Push-Pull, qTeach, Light/Dark Operate, 2m 4-Pin Cable, Plastic Housing, PMMA Optics, 45 x 18 x 32mm (HWD), -2
$231.49$231.49 -
Baumer
OEDK 10P5105/S35A
Photoelectric Thru-Beam Laser Sensor, Receiver, 11-30VDC, 100mA, 8-10m Range, 270° Potentiometer Sensitivity Adjustment, Light/Dark Operate, PNP, M8 4-pin Connector, IP67, Rectangular 27 x 10.4 x 14mm (HWD)
$586.80$586.80 -
Pepperl+Fuchs
134129
Photoelectric Retroreflective Sensor with Polarization Filter, 12-240VAC/DC, 0-17m Detection Range, Light On/Dark On Switchable, -40 to 60°C (-40 to 140°F) Ambient Temperature, 88 x 25.8 x 65.5mm (HWD), IP67
$343.98$343.98 -
Pepperl+Fuchs
267075-100019
Photoelectric, DC, Clear Object Retro, LED, 0 … 5 m, M12 Quick Disconnect with 300mm Cable
$192.64$192.64
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