Photoelectric Sensors

Photoelectric sensors detect and measure physical objects or quantities by emitting a field or beam of electromagnetic radiation, an object is detected by measuring alterations in the return signal. There are 3 main types of photoelectric sensors which provide reliable detection, these are through-beam, retro-reflective and diffuse. The basic function of each is to detect the presence or absence of objects or measure the distance to the object.


Through-beam Sensors


Through-beam sensors (aka thru-beam) rely on two separate housings, one for the transmitter and one for the receiver, with the transmitter providing a continuous beam of light to the receiver. Each time an object passes through the beam this interrupts the signal between the transmitter and receiver, which in turn causes the receiver to send an electrical signal to the output. Through-beam sensors are suited to long-distance sensing and are capable of detecting almost any object, irrespective of colour or angular motion.


Retro-reflective Sensors


Retro-reflective photoelectric sensors (retroreflective) have both the transmitter and receiver contained within the same housing but require a reflector opposite to the sensor. The reflector bounces the light beam back to the transmitter until an object breaks the beam. Objects which are highly reflective such as aluminium require sensors with polarising filters. The filter allows the sensor to acknowledge that the reflected light from reflecting materials is different from the reflector.


Diffuse Sensors


Diffuse sensors (proximity sensor) are easier to install as only one device has to be mounted. This is because the transmitter and receiver are contained within one housing. Diffuse sensors use the reflection from the target object within a predetermined sensing range. The transmitter sends out a continuous beam of light, once this hits the target it is diffused in all directions, a part of this light is reflected back and recognised by the receiver, the receiver then sends an electrical signal to the output.


A special type of diffused mode is background suppression which enables the user to precisely control the sensing range. A diffuse mode sensor with background suppression is less sensitive to the target colour. They can also use a visible red light or infrared light sources.

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Osan tiedot Merkki Sensor Style Detection Type Detection Range Output Type Electrical Connection Maximum ac Voltage Maximum dc Voltage Terminal Type Light Source IP Rating Maximum Current Response Time Housing Material Series Standards Met Maximum Operating Temperature Minimum Operating Temperature Mounting Type
Baumer Distance Sensor Distance 100 → 600 mm Detection Range Analogue
  • RS-tuotekoodi 187-1818
  • Merkki Baumer
  • Valmistajan tuotenumero OM70-P0600.HH0500.VI
Baumer Rectangular Distance 100 → 600 mm Analogue 8 Pin M12 Connector - 28V M12 Connector - IP67 <100 (Output) mA 0.8 ms Aluminium - CE, cULus, EAC +50°C -10°C Cable Mount
Baumer Distance Sensor Distance 150 → 1500 mm Detection Range Analogue
  • RS-tuotekoodi 187-1820
  • Merkki Baumer
  • Valmistajan tuotenumero OM70-L1500.HH1500.VI
Baumer Rectangular Distance 150 → 1500 mm Analogue 8 Pin M12 Connector - 28V M12 Connector - IP67 <100 (Output) mA 0.8 ms Aluminium - CE, cULus, EAC +50°C -10°C Cable Mount
Baumer Distance Sensor Distance 30 → 70 mm Detection Range Analogue
  • RS-tuotekoodi 187-1816
  • Merkki Baumer
  • Valmistajan tuotenumero OM70-L0070.HH0065.VI
Baumer Rectangular Distance 30 → 70 mm Analogue 8 Pin M12 Connector - 28V M12 Connector - IP67 <100 (Output) mA 0.8 ms Aluminium - CE, cULus, EAC +50°C -10°C Cable Mount
Baumer Distance Sensor Distance 40 → 140 mm Detection Range Analogue
  • RS-tuotekoodi 187-1815
  • Merkki Baumer
  • Valmistajan tuotenumero OM70-P0140.HH0130.VI
Baumer Rectangular Distance 40 → 140 mm Analogue 8 Pin M12 Connector - 28V M12 Connector - IP67 <100 (Output) mA 0.8 ms Aluminium - CE, cULus, EAC +50°C -10°C Cable Mount
Baumer Distance Sensor Distance 50 → 250 mm Detection Range Analogue
  • RS-tuotekoodi 187-1817
  • Merkki Baumer
  • Valmistajan tuotenumero OM70-P0250.HH0240.VI
Baumer Rectangular Distance 50 → 250 mm Analogue 8 Pin M12 Connector - 28V M12 Connector - IP67 <100 (Output) mA 0.8 ms Aluminium - CE, cULus, EAC +50°C -10°C Cable Mount
Baumer O200 Photoelectric Sensor Through Beam 6 m Detection Range Emitter
  • RS-tuotekoodi 187-1811
  • Merkki Baumer
  • Valmistajan tuotenumero O200.TR-ZZZX.72NV
Baumer Rectangular Through Beam 6 m Emitter 4 Pin M8 Connector - 30V M8 Connector Red LED IP67 20 mA - Plastic O200 CE, cULus +50°C -25°C Cable Mount
Baumer Photoelectric Sensor Background Suppression 3 → 132 mm Detection Range IO-Link Push Pull
  • RS-tuotekoodi 187-1806
  • Merkki Baumer
  • Valmistajan tuotenumero O200.GP-GW1J.72NV
Baumer Rectangular Background Suppression 3 → 132 mm Push Pull 4 Pin M8 Connector - 30V M8 Connector - IP67 <50 (Output) mA <0.25 ms Plastic - CE, cULus +50°C -25°C Cable Mount
Baumer Photoelectric Sensor Background Suppression 3 → 15 mm Detection Range PNP
  • RS-tuotekoodi 187-1807
  • Merkki Baumer
  • Valmistajan tuotenumero O200.GR.F-PV1Z.72NV/BX15
Baumer Rectangular Background Suppression 3 → 15 mm PNP 4 Pin M8 Connector - 30V M8 Connector - IP67 <50 (Output) mA <1 ms Plastic - CE, cULus +50°C -25°C Cable Mount
Baumer Photoelectric Sensor Background Suppression 7 → 80 mm Detection Range Push Pull
  • RS-tuotekoodi 187-1808
  • Merkki Baumer
  • Valmistajan tuotenumero O200.GR-GD1E.72NV/T007
Baumer Rectangular Background Suppression 7 → 80 mm Push Pull 4 Pin M8 Connector - 30V M8 Connector - IP67 <50 (Output) mA <1 ms Plastic - CE, cULus +50°C -25°C Cable Mount
Baumer Photoelectric Sensor Diffuse 15 → 120 mm Detection Range IO-Link Push Pull
  • RS-tuotekoodi 187-1805
  • Merkki Baumer
  • Valmistajan tuotenumero O300.GL-GW1J.72N/E022
Baumer Rectangular Diffuse 15 → 120 mm Push Pull 4 Pin M8 Connector - 30V M8 Connector - IP67 <100 (Output) mA <1.5 ms Plastic - CE, cULus +60°C -10°C Cable Mount
Baumer Photoelectric Sensor Light Barrier 30 → 120 mm Detection Range IO-Link Push Pull
  • RS-tuotekoodi 187-1804
  • Merkki Baumer
  • Valmistajan tuotenumero O300.SL-GW1J.72N/E022
Baumer Rectangular Light Barrier 30 → 120 mm Push Pull 4 Pin M8 Connector - 30V M8 Connector - IP67 <100 (Output) mA <1.5 ms Plastic - CE, cULus +60°C -10°C Cable Mount
Baumer Photoelectric Sensor Retro-Reflective 4 m Detection Range Push Pull
  • RS-tuotekoodi 187-1809
  • Merkki Baumer
  • Valmistajan tuotenumero O200.RR-GD1E.72NV/T003
Baumer Rectangular Retro-Reflective 4 m Push Pull 4 Pin M8 Connector - 30V M8 Connector - IP67 <50 (Output) mA <0.5 ms Plastic - CE, cULus +50°C -25°C Cable Mount
Baumer Photoelectric Sensor Through Beam 6 m Detection Range Push Pull
  • RS-tuotekoodi 187-1810
  • Merkki Baumer
  • Valmistajan tuotenumero O200.ER-GD1E.72NV/T003
Baumer Rectangular Through Beam 6 m Push Pull 4 Pin M8 Connector - 30V M8 Connector - IP67 <50 (Output) mA <0.5 ms Plastic - CE, cULus +50°C -25°C Cable Mount
Bulgin SL Photoelectric Sensor Diffuse Reflective 2 → 30 mm Detection Range NPN
  • RS-tuotekoodi 187-4861
  • Merkki Bulgin
  • Valmistajan tuotenumero SLLP3002M5
Bulgin - Diffuse Reflective 2 → 30 mm NPN M5 - 24V M5 Connector Red LED IP67 11 mA <0.5 ms Stainless Steel 316 (Sensor), TPU (Cable Connectors) SL - +50°C -10°C Cable Mount
Bulgin SL Photoelectric Sensor Diffuse Reflective 2 → 30 mm Detection Range NPN
  • RS-tuotekoodi 187-4865
  • Merkki Bulgin
  • Valmistajan tuotenumero SLLP3002CL
Bulgin - Diffuse Reflective 2 → 30 mm NPN Cable - 24V Cable Red LED IP67 11 mA <0.5 ms Stainless Steel 316 (Sensor), TPU (Cable Connectors) SL - +50°C -10°C Cable Mount
Bulgin SL Photoelectric Sensor Diffuse Reflective 2 → 30 mm Detection Range NPN
  • RS-tuotekoodi 187-4866
  • Merkki Bulgin
  • Valmistajan tuotenumero SLDP3002CL
Bulgin - Diffuse Reflective 2 → 30 mm NPN Cable - 24V Cable Red LED IP67 11 mA <0.5 ms Stainless Steel 316 (Sensor), TPU (Cable Connectors) SL - +50°C -10°C Cable Mount
Bulgin SL Photoelectric Sensor Diffuse Reflective 2 → 30 mm Detection Range NPN
  • RS-tuotekoodi 187-4862
  • Merkki Bulgin
  • Valmistajan tuotenumero SLDP3002M5
Bulgin - Diffuse Reflective 2 → 30 mm NPN M5 - 24V M5 Connector Red LED IP67 11 mA <0.5 ms Stainless Steel 316 (Sensor), TPU (Cable Connectors) SL - +50°C -10°C Cable Mount
Bulgin SL Photoelectric Sensor Diffuse Reflective 2 → 30 mm Detection Range PNP
  • RS-tuotekoodi 187-4864
  • Merkki Bulgin
  • Valmistajan tuotenumero SLDN3002M5
Bulgin - Diffuse Reflective 2 → 30 mm PNP M5 - 24V M5 Connector Red LED IP67 11 mA <0.5 ms Stainless Steel 316 (Sensor), TPU (Cable Connectors) SL - +50°C -10°C Cable Mount
Bulgin SL Photoelectric Sensor Diffuse Reflective 2 → 30 mm Detection Range PNP
  • RS-tuotekoodi 187-4868
  • Merkki Bulgin
  • Valmistajan tuotenumero SLDN3002CL
Bulgin - Diffuse Reflective 2 → 30 mm PNP Cable - 24V Cable Red LED IP67 11 mA <0.5 ms Stainless Steel 316 (Sensor), TPU (Cable Connectors) SL - +50°C -10°C Cable Mount
Bulgin SL Photoelectric Sensor Diffuse Reflective 2 → 30 mm Detection Range PNP
  • RS-tuotekoodi 187-4863
  • Merkki Bulgin
  • Valmistajan tuotenumero SLLN3002M5
Bulgin - Diffuse Reflective 2 → 30 mm PNP M5 - 24V M5 Connector Red LED IP67 11 mA <0.5 ms Stainless Steel 316 (Sensor), TPU (Cable Connectors) SL - +50°C -10°C Cable Mount
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