Photoelectric proximity sensors

Photoelectric proximity sensors are non-contact devices that detect objects using emitted light. They offer high speed, precise detection, and flexibility across a wide range of materials and surfaces. These sensors are commonly used in automation and manufacturing environments due to their reliability and adaptability.

Photoelectric proximity sensors
The actuation principle
Trip distance (m)
Corpus
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Output signal
Output contact
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Supply voltage (V)
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SMP8500MGJ
Code: SMP8500MGJ
In stock: 5+ pcs In stock: 0 (on request)
114.65 EUR (w/o VAT)
XUB5BPANL2
Code: XUB5BPANL2
In stock: 5+ pcs In stock: 0 (on request)
71.83 EUR (w/o VAT)
1069072
Code: 1069072
In stock: 5+ pcs In stock: 0 (on request)
70.95 EUR (w/o VAT)
XUB0APSNM12
Code: XUB0APSNM12
In stock: 5+ pcs In stock: 0 (on request)
130.85 EUR (w/o VAT)
SPBS2601J
Code: SPBS2601J
In stock: 5+ pcs In stock: 0 (on request)
110.97 EUR (w/o VAT)
130.55 EUR
1072532
Code: 1072532
In stock: 5+ pcs In stock: 0 (on request)
391.60 EUR (w/o VAT)
SPBS2600J
Code: SPBS2600J
In stock: 5+ pcs In stock: 0 (on request)
129.21 EUR (w/o VAT)
BX5MMFRT
Code: BX5MMFRT
In stock: 5+ pcs In stock: 0 (on request)
65.09 EUR (w/o VAT)
BX700DFRT
Code: BX700DFRT
In stock: 5+ pcs In stock: 0 (on request)
65.09 EUR (w/o VAT)
SMT7000TSJ
Code: SMT7000TSJ
In stock: 5+ pcs In stock: 0 (on request)
76.22 EUR (w/o VAT)
SMR7620TSJ
Code: SMR7620TSJ
In stock: 5+ pcs In stock: 0 (on request)
123.50 EUR (w/o VAT)
XUK5APANM12
Code: XUK5APANM12
In stock: 5+ pcs In stock: 0 (on request)
81.78 EUR (w/o VAT)
6037484
Code: 6037484
In stock: 5+ pcs In stock: 0 (on request)
88.55 EUR (w/o VAT)
1072653
Code: 1072653
In stock: 5+ pcs In stock: 0 (on request)
379.50 EUR (w/o VAT)
XUB5BPANM12
Code: XUB5BPANM12
In stock: 5+ pcs In stock: 0 (on request)
71.83 EUR (w/o VAT)
XUB5APANM12
Code: XUB5APANM12
In stock: 5+ pcs In stock: 0 (on request)
63.96 EUR (w/o VAT)
1076101
Code: 1076101
In stock: 5+ pcs In stock: 0 (on request)
122.10 EUR (w/o VAT)
6062141
Code: 6062141
In stock: 5+ pcs In stock: 0 (on request)
204.05 EUR (w/o VAT)
291.50 EUR
SMP7600TSJ
Code: SMP7600TSJ
In stock: 5+ pcs In stock: 0 (on request)
118.10 EUR (w/o VAT)
1218698
Code: 1218698
In stock: 5+ pcs In stock: 0 (on request)
235.40 EUR (w/o VAT)
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What are photoelectric proximity sensors?

Photoelectric proximity sensors use a beam of light to detect the presence of an object without physical contact. They work by emitting light (usually infrared or visible) and detecting changes in light intensity caused by an object. These sensors are fast, reliable, and versatile for both short and long detection ranges.

Most common uses of photoelectric proximity sensors

  • Object detection on conveyor belts

  • Positioning and counting items in automated systems

  • Detecting transparent or colored objects (e.g., PET bottles, films)

  • Monitoring presence/absence in packaging and bottling lines

  • Applications in cleanrooms and food industry with hygienic sensors


Frequently asked question (FAQ)

What are the types of photoelectric sensors?

The main types are through-beam, retro-reflective, and diffuse-reflective sensors. Each type has unique characteristics: through-beam offers the longest range, retro-reflective uses a reflector, and diffuse sensors detect reflected light from the object itself.

What are the disadvantages of photoelectric sensors?

Disadvantages include susceptibility to dirt or dust on lenses, reflective object surfaces causing false readings, and limited range for certain sensor types like diffuse mode. Proper setup and maintenance can help mitigate these issues.

How far can a proximity sensor detect?

Detection range varies by sensor type: through-beam sensors can detect up to 60 meters, while diffuse sensors typically detect up to 2 meters. Proximity models usually operate within 150–500 mm, depending on model and setup.