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Photoelectric sensors detect object presence or distance in a wide range of industrial applications. They typically contain all required optics and electronics in a single unit, requiring only power to provide an output based on their specifications and object detection criteria.
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Photoelectric Sensors
Category Selection
- General Purpose Photoelectric Sensors
- Clear Object Detection Sensors
- Distance Measuring Sensors
- Discrete Distance Sensors
- Dark and Shiny Object Detection Sensors
- Fiber Optic Sensors
- Color Sensors
- Contrast Sensors
- Fork Sensors
- Reflectors and Lens Adapters for Photoelectric Sensors
- Mounting Brackets and Rods
- Sensor Tester and Spare Parts
Photoelectric sensors use light and optics to detect object presence or distance. They provide an output based on object detection or distance criteria. Photoelectric sensors from brands such as Contrinex, Datalogic, Eaton, Leuze, Micro Detectors, and Wenglor, as well as our own AutomationDirect and ProSense brands can detect a wide variety of materials and measure distances from a few millimeters up to hundreds of meters.
For part listings and specifications, go to Shop Now
Photoelectric Sensors Overview
General Purpose Photoelectric Sensors
Photoelectric sensors (also known as photo eyes) allow non-contact detection of objects using red or infrared guided light. IP69K sensors are rated for harsh duty (food grade/ washdown) applications.
- Standard, compact, and miniature rectangular models
- 4mm, 5mm, 8mm, 12mm, 18mm, and 30mm diameter tubular models
- Up to IP69K protection ratings
Clear Object Detection Sensors
Clear object detection sensors are a special type of retroreflective photoelectric sensor that can detect transparent objects such as glass or plastic.
- Sensing distance up to 4m
- AC and DC powered options
- Various output types and connection options
- Up to IP69K protection ratings
Distance Measuring Sensors
Distance measuring sensors can measure the distance of objects at long ranges using a time of transit calculation. For shorter distances, higher-resolution CMOS technology models are suitable.
- Short-range models measure distances up to 350mm; long-range models measure distances up to 100 meters.
- Diffuse (Reflex) laser distance measurement sensors with CMOS technology
- Analog and switching output options
- Class 1 and 2 lasers
- High resolution down to 8 µm (analog scalable down to 5mm range)
- High speed response times down to 660 µs
Discrete Distance Sensors
Diffuse laser sensors detect presence via reflected laser light from the target object, with background suppression to avoid false positives.
- Detection ranges up to 3m
- Diffuse (Reflex) laser distance measurement sensors with background suppression
- Analog and switching output options
- Class 1 red laser
- Teach-in sensitivity adjustment, pushbutton user interface
Dark and Shiny Object Detection Sensors
Dark and shiny object detection sensors are a special type of diffuse photoelectric sensor that can detect objects that are either very dark or shiny.
- 50 x 20 x 50mm or 32 x 12 x 16mm models
- Simple potentiometer sensitivity adjustment
- Blue light for dark, shiny objects
- LO/DO (light-on/dark-on) complementary N.O./N.C. outputs
- Flexible mounting options
- IO-Link V1.1
Fiber Optic Sensors
Fiber optic sensors offer supreme noise protection and small sizes for tough applications.
- OPT Series single and multi-fiber units
- 18mm round and DIN-rail amplifiers
- Cuttable plastic fibers
- Metal covered glass fibers
- Cables & accessories
Color Sensors
Color sensors use pre-defined reference colors to reliably select colored objects in high-speed automation processes. They are capable of evaluating up to 3 colors simultaneously.
- Single lens optics allows this sensor to have a small spot diameter and large working range
- Reflex mode operation
Contrast Sensors
Contrast sensors determine contrast using light emission to detect the difference in the reflected light between mark and background.
- Wenglor sensors use white light emission for up to 40mm sensing distance
- DataLogic sensors use RGB emission for up to 12mm sensing distance
Fork Sensors
Newest Additions!
- di-soric OGU series fork sensors
Fork sensors (also called slot sensors or "U" sensors) offer advantages over standard through-beam sensors including identical mechanical / optical axis, operational reliability and repeatability with transmitter and receiver built into the same housing.
- U-frame with sensing distances from 5 to 250mm
- U-frame harsh duty with sensing distances from 50 to 80mm
- L-frame with sensing distances from 60 to 160mm
Reflectors and Lens Adapters for Photoelectric Sensors
- Reflectors for use with retroreflective or laser photoelectric sensors are available in a variety of rectangular and circular dimensions, in single or multi-packs
- Lens adapters allow the sensor beam to be transmitted 90 degrees from the sensor orientation
- Shutters reduce the size of the emitted beam, allowing the detection of smaller targets
Mounting Brackets and Rods
Brackets and adapters are available in various materials for mounting tubular and rectangular photoelectric sensors.
- Axial models allow rotation of optical axis for axial sensors
- Right-angle swivel-mount models offer 360 degree vertical and horizontal adjustment
- Right-angle fine-tune brackets enable precise placement
- Ball-joint swivels make sensor positioning easy
- Stainless steel rods for swivel brackets in lengths up to 500mm
Sensor Tester and Spare Parts
- Sensor testers save time by determining if a sensor is functional before installation; the compact unit includes a rechargeable battery and micro-USB charging cable
- Replacement hex nuts for sensors up to 30mm diameter are sold in multi-packs
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