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. 896-7285
BrandRS PRO
HK$279.23
Each
units
- - - M4 - - - Cable - - IP65 - - 500mm
New
RS Stock No. 204-0682
BrandRS PRO
HK$1,045.25
Each
units
0.01 mm PNP Plastic 2m PVC cable <0.0002 (Fine mode) seconds, <0.0003 (Turbo mode) seconds, <0.00055 (Super) seconds - - - 1.44 W - IP54 - 24 V dc -
RS Stock No. 377-8447
BrandRS PRO
HK$1,810.49
Each
units
- PNP - - 500 μs Red LED - Cable - 1 kHz - PE, Plastic 12 → 24 V dc 10mm
New
RS Stock No. 204-0681
BrandRS PRO
HK$1,045.25
Each
units
0.01 mm NPN Plastic 2m PVC cable 60 seconds - - - 1.44 W - IP54 - 24 V dc -
RS Stock No. 896-7298
BrandRS PRO
HK$279.23
Each
units
- - - - - - - Cable - - IP65 - - 110mm
RS Stock No. 896-7305
BrandRS PRO
HK$473.62
Each
units
- NPN-NO, PNP-NC - - <1 ms Red LED - PVC Cable - 50 Hz IP65 ABS, PC 12 → 24 V dc 65mm