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.RS Components offer an extensive selection of photoelectric sensors for use various industrial applications. Our high-quality products are supplied from leading brands including Omron, Sick, Pepperl + Fuchs Telemecanique Sensors Baumer, Banner and of course RS PRO.

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 can detect 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 must 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 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.


...
Voir plus Voir moins

Filtres

Afficher 201 - 220 des 3247 produits
Nombre de résultats par page
Description Prix Sensor Style Detection Type Detection Range Output Type Electrical Connection Switching Mode Maximum AC Voltage Communication Protocol Maximum DC Voltage Optical Technology Terminal Type Light Source IP Rating Maximum Current
N° de stock RS 124-0338
Référence fabricantOQT150-R101-2EP-IO-V31
119,92 €
Each
Unité
Block Background Suppression 5 → 150 mm NPN/PNP 4-Pin M8 Connector - - IO-LINK 30V - 4-Pin Connector LED IP67, IP69, IP69K 100 mA
N° de stock RS 814-0364
Référence fabricantO6P301
108,60 €
Each
Unité
Block Retroreflective 50 mm → 5 m PNP M12 Connector - - - 30V - Cable LED IP65, IP67, IP68, IP69 12 mA
N° de stock RS 768-9467
Référence fabricantWL9-3P1132
MarqueSick
127,00 €
Each
Unité
Block Retroreflective 0 → 5 m PNP - - - - 30V - - LED IP66, IP67, IP69K 100 mA
N° de stock RS 821-0066
Référence fabricantE3Z-T81-M1J-1 0.3M
MarqueOmron
104,39 €
Each
Unité
Block Through Beam (Emitter and Receiver) 15 m PNP Pre-Wired Cable - - - 24V - Wire Lead Infrared IP67 35 mA
N° de stock RS 714-1612
Référence fabricant42JS-E2EZB1-F4
28,30 €
Each
Unité
Block Through Beam (Emitter) 10 m - 4-Pin Connector - - - 30V - - LED IP67 -
N° de stock RS 775-4262
Référence fabricantE3FBDP22
MarqueOmron
69,30 €
Each
Unité
Barrel Diffuse 300 mm PNP 4-Pin M12 Connector - - - 30V - - LED IP67, IP69K 25 mA
N° de stock RS 800-4038
Référence fabricantOD1-B035H15I14
MarqueSick
998,00 €
Each
Unité
Block Background Suppression 20 → 50 mm Analogue 4-Pin M8 Connector - - - 24V - - Laser Light IP67 20 mA
N° de stock RS 764-3865
Référence fabricantSM312WQD
MarqueBanner
150,52 €
Each
Unité
Block Diffuse 130 mm NPN/PNP 4-Pin Connector - - - 30V - - Infrared IP67 150 mA
N° de stock RS 847-9366
Référence fabricantQS18VP6LLPQ8
MarqueBanner
182,63 €
Each
Unité
Barrel Retroreflective 100 mm → 10 m PNP 4-Pin M12 Connector - - - 30V - - Laser Light IP67 15 mA
N° de stock RS 784-6692
Référence fabricantDT50-P1123
MarqueSick
365,00 €
Each
Unité
Block Background Suppression 200 mm → 10 m Analogue 5-Pin M12 Connector - - - 30V - - Laser Light IP65 100 mA
N° de stock RS 450-2926
Référence fabricantOBT200-18GM60-E4
88,70 €
Each
Unité
Barrel Diffuse 200 mm NPN 4-Wire Cable 2m - - - 30V - - Infrared IP67 100 mA
N° de stock RS 627-6556
Référence fabricantOPB704W-Z
MarqueOptek
4,25 €
Each
Unité
Block Retroreflective 3.8 mm NPN 4-Wire Cable 0.61m - - - - - - Infrared - -
N° de stock RS 752-5039
Référence fabricantXUB5BNANL2
70,90 €
Each
Unité
Barrel Diffuse 600 mm NPN Cable - - - 24V - - Infrared IP65, IP67 100 mA
N° de stock RS 124-3742
MarqueBALLUFF
126,13 €
Each
Unité
Barrel Retroreflective 7 m PNP 4-Pin M12 Connector - - - 30V - 4-Pin Connector LED IP67 100 mA
N° de stock RS 842-8576
Référence fabricantWL2S-2F3130
MarqueSick
104,00 €
Each
Unité
Block Retroreflective 0 → 1.2 m PNP Cable - - - 30V - M8 LED IP67 20 mA
N° de stock RS 263-8269
Référence fabricantWT260-R260
MarqueSick
248,00 €
Each
Unité
Block Diffuse 380 mm Relay 4-Terminal Screw - 240V - 30V - - Infrared IP66 3 A ac, 330 A dc
N° de stock RS 111-3702
Référence fabricantWL12GC-3P2472A71
MarqueSick
233,00 €
Each
Unité
Block Retroreflective 0 → 4 m PNP 4-Pin M12 Connector - - IO-LINK 30V - 4-Pin M12 Connector LED IP66, IP67 100 mA
N° de stock RS 403-957
Référence fabricantGLV18-55-S/115/120
55,77 €
Each
Unité
Barrel Retroreflective 3.5 m PNP Cable - - - 30V - - LED IP67 100 mA
N° de stock RS 458-856
Référence fabricantWTE11-2P2432
MarqueSick
112,11 €
Each
Unité
Block Retroreflective 40 mm → 1 m PNP 4-Pin M12 Connector - - - 30V - - LED IP66, IP67 100 mA
N° de stock RS 695-6839
Référence fabricantXUK5APANM12
78,90 €
Each
Unité
Compact Diffuse 1 m PNP 4-Pin M12 Connector - - - 24V - - Infrared IP65 100 mA