10 Best Photoelectric Sensors {Expert Reviews}

A photoelectric sensor is a device that uses light to detect objects. There are many different types of photoelectric sensors, but all of them work by sensing the change in light when an object passes in front of them. This change in light can be used to determine the location, size, and shape of the object.

Which Are The Best Photoelectric Sensors From Our Choice

Here is a quick recap of our top 10 picks that lets you compare each item with another and allow you to choose the best one.

10 Best Photoelectric Sensors People Love In 2022: In Depth Features

SaleBestseller No. 1
Kidde PE9 (P9050) Battery-Operated Photoelectric Sensor Smoke Alarm
  • Basic smoke detector, cost-effective and easy to operate to help protect your home & family
  • Protects during a power failure - smoke alarm operates on one, 9-volt battery (included) in the back of the unit
  • Easy to install - no wiring needed
  • Single Test/Hush button - ensure that the alarm is working and silence false alarms
  • UL Certified, 10-year limited warranty
Bestseller No. 2
First Alert BRK 7010B Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup , White
  • 120 volt hardwire smoke alarm with photoelectric sensor and battery backup
  • Features convenient 9 volt battery backup, silence/test button, dust cover, 85 decibel alarm
  • Inter connectable with BRK and first alert hardwired smoke and carbon monoxide alarms
  • Intuitive latching alarm indicator identifies which unit triggered alarm. Backed by 10 year limited warranty and tested to meet UL 217 standards
  • 85 decibel alarm
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
Bestseller No. 3
EDISHINE Dusk to Dawn Sensor, 120V Lamp Post Light Sensor, Photoelectric Switch for Outdoor Pole Light, Automatic On/Off, Waterproof, UL Listed
  • 【Automatic Light Control】 Automatically switches on post light at dusk and off at dawn, no need manual operation. On level: 10-16 lux, Off Level: <65 lux, 30-180S sensor delay prevents accidental triggering of the other lights.
  • 【Easy to Replace & Mount】Exact replacement for your existing post light sensor, male-female connector design, plug and play, change the original sensor in seconds. 1-3/8" diameter mounting hole for easy installation.
  • 【Waterproof】High quality PC material, protects the sensor against from rain, snow, dust and abrasion, withstands years of use. Shock and erosion resistant, suitable for wet locations. Works with -40°C ~ +70°C Ambient Temp.
  • 【Wide Application】 Compatible with most bulbs: up to 1800W Tungsten/ 1800VA Ballast/ 5A E-Ballast. Works with most lamp posts, coach lights and pole lights. Black finish matches any apperance.
  • 【UL Listed】120V AC input voltage, 60Hz, threaded diameter 1-3/8" inch. The photoelectric switchis UL certified. DEWENWILS offers 24/7 troubleshooting and hassle-free return policies through Amazon; your purchase is always guaranteed.
SaleBestseller No. 4
2-Pack, Dusk to Dawn/Day Night Sensor, Photoelectric Switch, Photo Cell Sensor, 110V/120V/220V/240V Input, UL Listed, IP65 Water-Resistant, Photocell for Outdoor Light
  • DUSK TO DAWN PHOTOCELL SENSOR SWITCH -- This photocell sensor switch will automatically turn on lights at dusk and off at dawn. No need for manual operation anymore. The delay feature in the outdoor light sensor prevents the accidental triggering off the light due to the headlights of a passing car or lightning.
  • MULTI VOLTAGE SWIVEL PHOTOSENSOR -- Handles between 120V and 277V and compatible with LED, CFL, fluorescent, incandescent and other types of bulbs, so you can use this photoelectric switch sensor in most various occasions such as outdoor lighting, exterior lighting, street lighting, passage lighting, and doorway lighting.
  • UL LISTED PHOTOCELL LIGHT SENSOR -- Covered with UL certificate, surge protection available, heavy-duty body, P65 Water-resistant, AC 120-277 input voltage, 50/60Hz, threaded diameter 1.06 inch, 5-20Lx on and 20-60Lx off operate level.
  • EASY TO INSTALL -- With a swivel mount, this outdoor light controller can be easily installed it at a precise spot focusing light. Just disconnect power, place screw thread of the SWITCH in the knockout hole and fasten with rubber gasket and zinc alloy lock-nut.
  • RELIABLE QUALITY AND SERVICE -- UL listed, 3 year warranty available. Please feel free to contact us for refund or replacement if you have any questions or quality problem about the outdoor photocell sensor. We will response within 24 working hours
SaleBestseller No. 5
First Alert SA320CN Dual-Sensor Smoke and Fire Alarm, Battery Powered, Frustration-Free Packaging, White , 1 Pack
  • Help keep your family safe with this battery operated smoke alarm; It requires no rewiring for installation and provides continuous monitoring even if there's a power failure
  • Equipped with both a photoelectric and ionization sensor to quickly detect both fast burning, and smoldering fires
  • Single test/silence button lets you easily check alarm function and mute false alarms; Use Polaroid AA batteries for best results
  • Loud 85 decibel siren sounds to alert you to danger
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert brand trust survey in February 2018)
Bestseller No. 6
Omron E3K-R10K4-NR Photoelectric Switch / Sensor
  • The E3K-R10K4 is a heavy-duty AC/DC retroreflective Photoelectric Sensor for long sensing distance. It has 950nm pulse modulated infrared LED light source and detects opaque object material.
  • DPDT 10A relay output standard
  • Easy to wire terminal strip
  • Plug-in replaceable outputs
  • Plated steel screw terminal connections
Bestseller No. 7
Mageway Indoor E3JK-R4M1 Retro-Reflective Photoelectric Beam Sensor 12-240VDC 24-240VAC Infrared Sensor Switch Proximity Switch 6FT Cable Induction 4M
  • INVISIBLE BEAM for higher security!
  • UNIVERSAL – Can be used as safety sensor for garage doors or outdoor gates, Overhead door security sensor, Industrial automation, Detect small objects on manufacturing line, Entry detection for store fronts, Assist in measuring parking distance, Alarm sensor etc...
  • BIG SIZE OF REFLECTOR for easy alignment and longer detecting distance than the rectangle reflector photoelectric sensor.
  • WIDE RANGE INPUT (12-240VDC 24-240VAC) for easy power solution.
  • Pre-wired 1.8 m(6 ft) for easy wire connection.
Bestseller No. 8
Seco-Larm E-931-S35RRQ Enforcer Indoor/Outdoor Wall Mounted Photoelectric Beam Sensor with 35 Foot Range
  • For outdoors gates, garage doors, etc; Weatherproof (IP66) construction for indoor/outdoor usage
  • Dark ON operation, Adjustable sensing distance, Compact size
  • 12~240VDC / 24~240VAC Operation, Current: Up to 40mA@12VDC
  • Bracket and mountinghardware Included, Pre-wired 6ft (1.8m) cord
  • Sensing Range: 0.5' to 35' (0.1 - 11m), Response Time: 10ms (Max)
Bestseller No. 9
Smoke Detector, X-Sense 10-Year Battery Smoke Fire Alarm with Photoelectric Sensor, LED Indicator & Silence Button, 1-Pack
  • 10-Year Battery Life Smoke Detector: Equipped with a sealed 10-year lithium battery for continuous power with no replacement required during the 10-year life of the alarm
  • Accurate & Responsive Smoke Alarm: Adopts the most advanced photoelectric sensor, enabling the alarm to quickly detect dangerous smoke levels from slow-burning, smoldering fires; provides the earliest possible warning of fire
  • Quick and Easy Installation: No need for rewiring, as the battery-operated smoke alarm is easy to install with the included screws, anchor plugs, and mounting bracket, or just use an adhesive magnetic pad (sold separately) to effortlessly install it on a wall or ceiling
  • Auto-Check Function: Constantly monitors itself and quickly warns you of low battery or faults
  • Worry-Free After-Sales Services: All X-Sense smoke detectors come with a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support; easy-to-follow instructions are included for convenience; feel free to contact us if you have any questions
Bestseller No. 10
Taiss/1 Pair photoelectric Switch 0-20M Through-Beam Reflection Optical Photoelectric Beam Sensor NPN NO photoelectric Sensor Switch 6-36V Proximity Switch with Infrared Ray Beam E3F-20DNL-Z-12MM
  • This product is widely used in outdoors gates, garage doors, Weatherproof (IP66) construction for indoor/outdoor usage etc.
  • Supply Voltage:6-36V DC;Type : NPN(normally open );Wire Type : DC 3 Wire,Proximity-sensing / Opposite Type
  • Sensory Distance : 0-20m;Sending Light : Infrared Rays;Current : 300mA;Thread diameter: 12mm/0.47"
  • Body Size:66mm x12mm/2.6" x0.47"(Max.D*L);Cable Length : 120cm/47";Weight : 70g
  • Package Content: 1 Pair x Photoelectric Switch+2 x Mounting Bracket

What To Look For Before Buying Best Photoelectric Sensors

Before choosing a photoelectric sensors, you should take the following considerations into account.

There are a few things to consider before making a purchase decision for a photoelectric sensor. 1. What type of sensor will best suit your needs? There are numerous types of photoelectric sensors, each with its own advantages and disadvantages. Here are a few types to consider: -Resolution: Resolution is the number of pixels in an image generated by a photoelectric sensor. Higher resolution sensors produce sharper images with more detail. -Response Time: Response time is the time it takes for a photoelectric sensor to generate an output signal after being activated. Faster response times allow for faster capture speeds and smoother video footage. -Field of View: Field of view is the area within which the sensor can detect light. A wide field of view allows for greater coverage while still providing accurate readings. -Price: Price is always a factor when making purchases, but it is also important to consider other factors such as quality, features, and response time.

Related Frequently Asked Questions

What Is A Photoelectric Sensor Used For?

A photoelectric sensor is used in electronic devices such as digital cameras, to take a snapshot of the environment.

What Are The Types Of Photoelectric Sensors?

There are three main types of photoelectric sensors: photodetectors, charge-coupled devices (CCDs), and complementary metal oxide semiconductor (CMOS) image sensors.

How Does A Diffuse Photoelectric Sensor Work?

The photoelectric sensor consists of a light-sensitive material that is exposed to light. When the material is exposed to light, some of the energy in the light is used to create electrons within the material. These electrons are then free to move around and interact with other photons, which can cause an electric current.

Is Ir Sensor A Photoelectric Sensor?

Yes, an IR sensor is a photoelectric sensor.


Photoelectric sensors are the most common type of sensor used in cameras. They are sensitive to light and can be used to take pictures or measure distances.

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