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Baumer
OR18.ZI-NW1Z.71CV/B012
11157792
Diffuse Reflective Sensor, Pulsed Infrared Diode, 12-30VDC, 0-80mm Sensing Distance Tw, No Adjustment, NPN, Light/Dark Operate, 2m 4-Pin Cable, Ø18 x 44.8mm, Plastic, -25 to +55°C, IP67
$64.29$64.29 -
Pepperl+Fuchs
200958
WTS10-12/20/105
Diffuse Reflective Sensor, 10-30VDC, 2-12mm Detection Range, PNP, NO, Light On, Teach-in, PC + ABS Housing, Scratch Resistant Mineral Glass Lens Optical Face, M12 5-pin Connector, IP67
$530.88$530.88 -
Baumer
OR18.ZI-NW1P.71O/B013
11157797
Diffuse Reflective Sensor, Pulsed Infrared Diode, 12-30VDC, 0-300mm Sensing Distance Tw, 270° Potentiometer, NPN, Light/Dark Operate, M12 4-Pin Connector, Ø18 x 67.2mm, Plastic, -25 to +55°C, IP67
$64.29$64.29 -
Baumer
OR18.ZI-NW1P.71O/B005
11157801
Diffuse Reflective Sensor, Pulsed Infrared Diode, 12-30VDC, 0-800mm Sensing Distance Tw, 270° Potentiometer, NPN, Light/Dark Operate, M12 4-Pin Connector, Ø18 x 67.2mm, Plastic, -25 to +55°C, IP67
$64.29$64.29 -
Baumer
OHDM 20P6990/S14C
10153490
Diffuse Sensor, Background Suppression, Pulsed Red Laser Diode, Laser Class 2, 12-28VDC, 210-1500mm Sensing Distance Tw, Teach-in, PNP, Light/Dark Operate, M12 5-Pin Connector, 20.6 x 65 x 50mm (WxHxD), Die-Cast Zinc, 0 to +50°C, IP67
$2,696.89$2,696.89 -
Baumer
OC50.CC-QL1T.72O
11224569
Contrast Sensor, RGB LED, 10-30VDC, 9mm Sensing Distance Tw, Teach-in, PNP, Light/Dark Operate, M12 4-Pin Connector, 31 x 53 x 80.1mm (WxHxD), Plastic (ABS), -10 to +55°C, IP67
$375.09$375.09 -
Baumer
OHDK 14N5101
11001252
Diffuse Sensor, Background Suppression, Pulsed Red Laser Diode, Laser Class 2, 10-30VDC, 20-350mm Sensing Distance Tw, Mechanical 9-Turn, NPN, Light/Dark Operate, 2m 4-Pin Cable, 14.8 x 43 x 32.7mm (WxHxD), Plastic (ASA/MABS), -10 to +50°C, IP67
$928.40$928.40 -
Takex
AS-U25
Photoelectric Sensor, Thru-Beam, U Shape, NPN, Red LED, 25mm Fixed Detect, 2mm Diameter, Cable
$112.20$112.20 -
Baumer
OXH7-Z0500.HI0660.VI
11161809
Light Section Sensor, Pulsed Red Laser Diode, 660nm, 15-28VDC, 13-66mm Width/100-5000mm Distance Measuring Range, 1540Hz, Touch Display, RS485 Adjustment, M12 8-Pin Connector, Aluminum Housing, Glass Front (Optics), -10 to +50°C Operating T
$6,601.60$6,601.60 -
Baumer
OHDM 16P5651
10159134
Diffuse Sensor, Background Suppression, Pulsed Red Laser Diode, Laser Class 2, 10-30VDC, 123-143mm Sensing Distance Tw, PNP, Light/Dark Operate, 2m 5-Pin Cable, 15.4 x 50 x 50mm (WxHxD), Die-Cast Zinc, -5 to +50°C, IP67
$2,412.09$2,412.09 -
Baumer
OHDM 16P5012/S14
10242042
Diffuse Sensor, Background Suppression, Pulsed Red Laser Diode, Laser Class 2, 10-30VDC, 25-300mm Sensing Distance Tw, Mechanical 8-Turn, PNP, Light/Dark Operate, M12 4-Pin Connector, 15.4 x 50 x 50mm (WxHxD), Die-Cast Zinc, -10 to +50°C, IP67
$1,511.80$1,511.80 -
Baumer
OR18W.ZI-PW1P.9VO/B013
11157847
Diffuse Reflective Sensor, Pulsed Infrared Diode, 12-30VDC, 0-300mm Sensing Distance Tw, 270° Potentiometer, PNP, Light/Dark Operate, M12 4-Pin Connector, Ø18 x 67.2mm, Stainless Steel, -25 to +55°C, IP67
$128.60$128.60
Photoelectric sensors detect the distance, absence or presence of an object. These sensors are great for sensing long distances and detecting most materials.
Additional Sensor Categories:
Proximity | Ultrasonic | Pressure | Temperature | Level | Tilt
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