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. 359-3139
Mfr. Part No.E20712
20 mm, 25 mm, 60 mm PNP - - - - - Cable - 500 Hz IP65 Aluminium 10 → 30 V dc 18mm
RS Stock No. 208-7627
Mfr. Part No.E20633
100 mm, 300 mm, 70 mm PNP - - - - - Cable - 500 Hz IP65 Aluminium 10 → 30 V dc 35mm
RS Stock No. 208-7560
Mfr. Part No.E20603
200 mm, 350 mm, 800 mm PNP - - - - - Cable - 500 Hz IP65 Aluminium 10 → 30 V dc 18mm
RS Stock No. 136-5404
Mfr. Part No.005001
300 mm PNP Plastic M12 Connector 0.001 → 0.1 s Red LED - Quick Disconnect Connector 1.2 VA 1.5 kHz IP65 Plastic 12 → 36 V dc 79.4mm