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Diffuse photoelectric sensors with background suppression detect objects by sensing emitted light reflected directly from the target. They offer reliable detection while filtering out reflections from surrounding objects. Blue light models accurately sense dark, shiny, or highly reflective targets.
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Background Suppression
Category Selection
Diffuse photoelectric sensors with background suppression detect object presence by emitting a beam of light, typically from an LED, toward a target and sensing the reflected beam. These sensors work similarly to standard diffuse sensors but are designed to distinguish light from the intended target and to filter out reflections from background objects. They are effective in environments with reflective backgrounds but cost more than other photoelectric sensing technologies and require more setup time.
For part listings and specifications, go to Shop Now
General Purpose
Newest Additions!
- AchieVe FDM series 12mm tubular photoelectric sensors
General-purpose photoelectric sensors use infrared or visible red light technology and are suitable for many presence sensing applications. They are available in basic, standard, and harsh duty ratings, and a range of tubular and rectangular form factors and sizes, including the popular 50 x 50mm industry standard.
- AutomationDirect, Contrinex, Eaton, ProSense, and Wenglor brands
- Sensing distance up to 2m
- Complementary light-on/dark-on, dark-on, light-on, and selectable light-on/dark-on operating modes
- Visible red Class 1 or Class 2 laser, infrared, and visible red light emission options
- Select models are IO-Link compatible
- Rectangular, square, or tubular (up to 30 mm diameter) body styles
- Metal, plastic, and stainless steel housings
- Up to IP69K protection rating
Starting at
$35.50
(LHR-M18PA-TMS-101)
Miniature Rectangular
New!
The Autonics BTF series miniature photoelectric sensors feature ultra-thin, flat housings that are only 3.7 mm thick (4.6 mm including lens). They are easy to install in tight spaces, offer fast response times and robust performance, and provide accurate and reliable sensing for challenging industrial applications.
- Sensing distance up to 15mm
- Light-on or dark-on operating modes
- Visible red light emission
- Rectangular body styles
- PBT thermoplastic housings
- IP67 protection rating
Priced at
$98.00
(BTF15-BDTL)
Discrete Distance Sensors
Wenglor distance sensors employ high-precision laser technology and background suppression to detect the presence of an object while avoiding false positives. These sensors operate consistently regardless of the object's material, color, or brightness.
- Detection ranges up to 3m
- Diffuse (Reflex) laser distance measurement sensors with background suppression
- PNP and NPN switching output options
- Class 1 red laser
- Teach-in sensitivity adjustment, pushbutton user interface
- IP67 or IP68 protection rating
Starting at
$207.00
(OPT2173)
Dark and Shiny Object Detection Sensors
Wenglor dark and shiny object detection photoelectric sensors detect presence of objects that other sensors fail to detect or erroneously detect multiple times because they are either very dark or shiny. These sensors use blue light, which is less likely to be absorbed by a dark object and is less likely to cause multiple reads or misdetections from shiny objects.
- Sensing distances up to 400mm
- 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
- IP67/68 protection rating
Priced at
$95.00
(OPT2168)
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