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 transmit light between the two ends to produce an electrical signal.

How Fibre Optic Sensors Work

A fibre-optic sensor system 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 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 Fiber Optic Sensors

Fibre optic sensors are used in a number of different 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
HK$617.93
Each
units
- - Glass, Plastic - - - - Cable - - - - - 2m
RS Stock No. 842-8601
Mfr. Part No.LL3-TR01
BrandSick
HK$660.92
Each
units
- - Glass, Plastic - - - - Cable - - - - - 2m
RS Stock No. 842-8608
Mfr. Part No.LL3-TB02
BrandSick
HK$427.70
Each
units
- - Glass, Plastic - - - - Cable - - - - - 2m
RS Stock No. 842-8591
Mfr. Part No.WLL180T-P434
BrandSick
HK$1,848.22
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. 180-6367
Mfr. Part No.GLL170-P334
BrandSick
HK$994.14
Each
units
0 to 190 (Proximity) mm, 0 → 800 (Through-beam) mm PNP Plastic M8 Male 4-pin Connector 250 μs LED - M8 Male Connector 30 mA 2 kHz IP66 PC, Plastic, POM 10 → 30 V dc 72.5mm
RS Stock No. 121-2732
Mfr. Part No.LL3-TV05
BrandSick
HK$499.77
Each
units
170 → 400 (WLL170-2) mm, 350 → 4000 (WLL180T) mm - - Wire Lead - - - Cable - - - PE - 2.011m
RS Stock No. 358-8402
Mfr. Part No.WLL260-F240
BrandSick
HK$1,526.10
Each
units
- PNP - - <=0.7 ms Red LED - Cable - 700 Hz IP66 ABS 10 → 30 V dc 63mm