Fibre Optic Sensors

Fibre optic sensors are a type of proximity sensor that have an optical fibre connected to a light source to allow for detection in tight spaces or where a small profile is beneficial. The optical fibre is a transparent fibre made of glass (silica) or plastic with a diameter slightly thicker than a human hair, this fibre transmits light between the two ends to produce an electrical signal.

How Fibre Optic Sensors Work

A fibre-optic sensor system is a technology that consists of a fibre-optic cable connected to a remote sensor, or amplifier. The sensor emits, receives, and converts the light energy into an electrical signal. The optical cable is the mechanical component that transports the light into and out of areas that are either too space constrained or too hostile back to the sensor.

Uses of Fibre Optic Sensors

Fibre optic sensors are used in a number of different sensing applications. In mechanical properties testing, fibre optical sensors are used to measure mechanical strain. They can also be used to measure acceleration, velocity, pressure, temperature and displacement.


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Description Price Detection Range Output Type Fibre Optic Type Terminal Type Response Time Light Source Communication Protocol Electrical Connection Power Consumption Switching Frequency IP Rating Housing Material Supply Voltage Length
RS Stock No. 842-8594
Mfr. Part No.LL3-DT01
BrandSick
SGD89.60
Each
units
- - Glass, Plastic - - - - Cable - - - - - 2m
RS Stock No. 842-8591
Mfr. Part No.WLL180T-P434
BrandSick
SGD238.40
Each
units
0 → 20 m PNP - M8 16 μs LED - M8 Connector ≤50 mA 31.2 kHz IP50 ABS/PC 12 → 24 V dc 75.5mm
RS Stock No. 842-8608
Mfr. Part No.LL3-TB02
BrandSick
SGD61.92
Each
units
- - Glass, Plastic - - - - Cable - - - - - 2m
New
RS Stock No. 213-1835
Mfr. Part No.WLL180T-M432
BrandSick
SGD298.23
Each
units
0 to 1400 (Proximity System) mm, 0 → 18000 (Through-Beam System) mm PNP Glass, Plastic 4-Wire 1.60E-05 seconds - - Cable - 31.2 kHz IP50 Plastic 12 → 24 V dc 34.6mm
New
RS Stock No. 213-1843
Mfr. Part No.WLL180T-P474
BrandSick
SGD442.53
Each
units
0 to 400 (Proximity System) mm, 0 → 850 (Through-Beam System) mm PNP Glass 4-Pin 1.60E-05 seconds - - Male Connector M8 - 31.2 kHz IP50 Plastic 12 → 24 V dc 34.6mm
New
RS Stock No. 213-1732
Mfr. Part No.GLL170-N334
BrandSick
SGD180.85
Each
units
0 to 190 (Proximity System) mm, 0 → 800 (Through-Beam System) mm NPN Glass, Plastic 4-Pin 0.00025 seconds - - Male Connector M8 - 2 kHz IP66 Plastic 10 → 30 V dc 34.6mm
New
RS Stock No. 213-1837
Mfr. Part No.WLL180T-M634
BrandSick
SGD290.54
Each
units
0 to 1400 (Proximity System) mm, 0 → 18000 (Through-Beam System) mm PNP Glass, Plastic 4-Pin 1.60E-05 seconds - - Male Connector M8 - 31.2 kHz IP50 Plastic 12 → 24 V dc 34.6mm
New
RS Stock No. 213-1845
Mfr. Part No.WLL260-F440
BrandSick
SGD277.06
Each
units
0 to 65 (Proximity System) mm, 0 → 800 (Through-Beam System) mm PNP Glass, Plastic 4-Pin 0.0007 seconds - - Male Connector M12 - 700 Hz IP66 Plastic 10 → 30 V dc 77.8mm
New
RS Stock No. 213-1834
Mfr. Part No.WLL180T-M333
BrandSick
SGD298.23
Each
units
0 to 1400 (Proximity System) mm, 0 → 18000 (Through-Beam System) mm PNP Glass, Plastic 3-Pin 1.60E-05 seconds - - Connector M8 - 31.2 kHz IP50 Plastic 12 → 24 V dc 34.6mm
New
RS Stock No. 213-1832
Mfr. Part No.WLL180T-L434
BrandSick
SGD298.23
Each
units
0 to 1400 (Proximity System) mm, 0 → 18000 (Through-Beam System) mm NPN Glass, Plastic 4-Pin 1.60E-05 seconds - - Male Connector M8 - 31.2 kHz IP50 Plastic 12 → 24 V dc 34.6mm
New
RS Stock No. 213-1733
Mfr. Part No.GLL170-P332
BrandSick
SGD180.85
Each
units
0 to 190 (Proximity System) mm, 0 → 800 (Through-Beam System) mm PNP Glass, Plastic 3-Wire 0.00025 seconds - - Cable - 2 kHz IP66 Plastic 10 → 30 V dc 34.6mm
New
RS Stock No. 213-1731
Mfr. Part No.GLL170-N332
BrandSick
SGD180.85
Each
units
0 to 190 (Proximity System) mm, 0 → 800 (Through-Beam System) mm NPN Glass, Plastic 3-Wire 0.00025 seconds - - Cable - 2 kHz IP66 Plastic 10 → 30 V dc 34.6mm
RS Stock No. 121-2732
Mfr. Part No.LL3-TV05
BrandSick
SGD72.32
Each
units
170 → 400 (WLL170-2) mm, 350 → 4000 (WLL180T) mm - - Wire Lead - - - Cable - - - PE - 2.011m
New
RS Stock No. 213-1830
Mfr. Part No.WLL180T-F634
BrandSick
SGD290.54
Each
units
0 to 1400 (Proximity System) mm, 0 → 18000 (Through-Beam System) mm PNP Glass, Plastic 4-Pin 1.60E-05 seconds - - Male Connector M8 - 31.2 kHz IP50 Plastic 12 → 24 V dc 34.6mm
New
RS Stock No. 213-1836
Mfr. Part No.WLL180T-M434
BrandSick
SGD298.23
Each
units
0 to 1400 (Proximity System) mm, 0 → 18000 (Through-Beam System) mm PNP Glass, Plastic 4-Pin 1.60E-05 seconds - - Male Connector M8 - 31.2 kHz IP50 Plastic 12 → 24 V dc 34.6mm
New
RS Stock No. 213-1831
Mfr. Part No.WLL180T-L432
BrandSick
SGD298.23
Each
units
0 to 1400 (Proximity System) mm, 0 → 18000 (Through-Beam System) mm NPN Glass, Plastic 4-Wire 1.60E-05 seconds - - Cable - 31.2 kHz IP50 Plastic 12 → 24 V dc 34.6mm
New
RS Stock No. 213-1838
Mfr. Part No.WLL180T-M674
BrandSick
SGD442.53
Each
units
0 to 400 (Proximity System) mm, 0 → 850 (Through-Beam System) mm PNP Glass 4-Pin 1.60E-05 seconds - - Male Connector M8 - 31.2 kHz IP50 Plastic 12 → 24 V dc 34.6mm
New
RS Stock No. 213-1846
Mfr. Part No.WLL260-R240
BrandSick
SGD377.12
Each
units
0 to 65 (Proximity System) mm, 0 → 800 (Through-Beam System) mm Relay Glass, Plastic - 0.02 seconds - - Cable Gland - 25 Hz IP66 Plastic 12 → 240 V dc, 24 → 240 V ac 77.8mm
New
RS Stock No. 213-1844
Mfr. Part No.WLL190T-2P434
BrandSick
SGD400.82
Each
units
0 to 480 (Proximity System) mm, 0 → 2000 (Through-Beam System) mm PNP Glass, Plastic 4-Pin 0.00025 seconds - - Male Connector M8 - 8.333 kHz IP66 Plastic 10 → 24 V dc 34.6mm
New
RS Stock No. 213-1737
Mfr. Part No.GLL170T-B434
BrandSick
SGD211.65
Each
units
0 to 400 (Proximity System) mm, 0 → 1320 (Through-Beam System) mm NPN, PNP Glass, Plastic 4-Pin 5.00E-05 seconds - - Male Connector M8 - 10 kHz IP66 Plastic 10 → 30 V dc 34.6mm