Key Topics

Photoelectric Sensors

Photoelectric sensors get their name from the photoelectric receiver contained within these components, which works alongside a light transmitter. There are two main types of photoelectric sensors: self-contained and remote. The type of sensor relates both to how it works and will also influence the specific components contained within. Thanks to advances in technology, self-contained photoelectric sensors are increasingly getting smaller.

What is a photoelectric sensor?

Photoelectric sensors are used to discover and measure distance, or the absence or presence of specific items or barriers. They can be used in anything from industrial manufacturing to parking sensors in cars and home smoke alarms. Whether a self-contained or remote sensor is used will depend on the specific use required, the space available, and the environment in which the sensor will be used.

How do photoelectric sensors work?

Photoelectric sensors work by using a light transmitter to sense the presence or absence of objects, or the distance between two objects, at least one of which is moving. These light transmitters typically rely on infrared technology, and will alert the user via a buzzer or alarm if objects are in close proximity, or present or absent, depending on the specific purpose and use of the photoelectric sensor.

Where are photoelectric sensors used?

Photoelectric sensors are used in a variety of products and processes, from industrial manufacturing and on production lines to in cars as parking sensors and in homes as smoke detectors. Photoelectric sensors can be particularly valuable in hostile environments, allowing technology to provide feedback when it is not possible to conduct in-person analysis.

What are the basic components of photoelectric sensors?

Each type of photoelectric sensor is built differently, depending on the specific use and purpose of the sensor. However, all photoelectric sensors have two basic components in common; a light transmitter, used for detection, and a photoelectric receiver, used for interpreting data and alerting the user if necessary.

Top Photoelectric Sensors Products
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NX5-M10RB
Panasonic
Sensor: photoelectric; Range:0÷10m; SPDT; DARK-ON; Usup:12÷240VDC
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NX5-M30A
Panasonic
Sensor: photoelectric; Range:0÷30m; SPDT; LIGHT-ON; 2A; <10ms
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NX5-RM7B
Panasonic
Sensor: photoelectric; Range:0.1÷7m; SPDT; DARK-ON; 2A; <10ms
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PA18CAP50PAM1SA
Carlo Gavazzi
Sensor: photoelectric; Range:0÷5m; PNP; DARK-ON, LIGHT-ON; 100mA
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PA18CAT20
Carlo Gavazzi
Sensor: photoelectric; transmitter; Range:0÷20m; Usup:10÷30VDC
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KT6W-2P5116
Sick
Sensor: contrast; Range:10mm; PNP; diffuse-reflective; 0.1A; PIN:5
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KT6W-2P6116
Sick
Sensor: contrast; Range:10mm; PNP; diffuse-reflective; 100mA
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SA1U-P07M
Idec
Sensor: photoelectric; Range:0.2÷7m; SPDT; DARK-ON, LIGHT-ON; 20ms
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SA1U-T50M
Idec
Sensor: photoelectric; Range:50m; SPDT; DARK-ON, LIGHT-ON; Mat: PBT
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EX-11A
Panasonic
Sensor: photoelectric; Range:0÷150mm; NPN; LIGHT-ON; 50mA; <0.5ms
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EX-11B-PN
Panasonic
Sensor: photoelectric; Range:0÷150mm; PNP; DARK-ON; Usup:12÷24VDC
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EX-11EA-PN
Panasonic
Sensor: photoelectric; Range:0÷150mm; PNP; LIGHT-ON; 50mA; <0.5ms
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EX-11EB
Panasonic
Sensor: photoelectric; Range:0÷150mm; NPN; DARK-ON; Usup:12÷24VDC
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EX-13A-PN
Panasonic
Sensor: photoelectric; Range:0÷500mm; PNP; LIGHT-ON; 50mA; <0.5ms
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EX-13EA
Panasonic
Sensor: photoelectric; Range:0÷500mm; NPN; LIGHT-ON; 50mA; <0.5ms
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EX-13EB-PN
Panasonic
Sensor: photoelectric; Range:0÷500mm; PNP; DARK-ON; Usup:12÷24VDC
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EX-22A
Panasonic
Diffuse Optical Sensor 0.197" ~ 6.299" (5mm ~ 160mm) NPN - Open Collector/Light-ON
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EX-23-PN
Panasonic
Sensor: photoelectric; Range:0÷2m; PNP; DARK-ON, LIGHT-ON; 50mA
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EX-29A
Panasonic
Sensor: photoelectric; Range:30÷200mm; NPN; LIGHT-ON; 50mA; <0.5ms
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20848494
nVent
Plug-In Units with Trapeziform Extractor Handle, Type 1 -Front Panel, U-Profile, Shielded
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ALR-6090-VPS-UL
TE Connectivity
Photoelectric Sensors PHOTOCONTROL UTILITY ELECTRONIC UL LIST
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ALR-BF-120
TE Connectivity
Photoelectric Sensors PHOTOCONTROL COMMERCIAL/IND GRD
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ALR-LC-120
TE Connectivity
Photoelectric Sensors PHOTOCONTROL RESIDENTIAL GRADE
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ALR-PT-168
TE Connectivity
Photoelectric Sensors PHOTOCONTROL 240V NON METALLIC HOUSING
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FR 18-2 RM-NS-L4
Sensopart
Sensor: photoelectric; Range:0÷3m; NPN; DARK-ON, LIGHT-ON; 100mA
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FR 18-2 RM-PS-K4
Sensopart
Sensor: photoelectric; Range:0÷3m; PNP; DARK-ON, LIGHT-ON; 100mA
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FT25R-PSM4
Sensopart
Sensor: photoelectric; Range:0÷0.3m; PNP; DARK-ON, LIGHT-ON; 100mA

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