SICK Plastic, Glass Fibre Optic Sensor

SICK LL3 Series Fibre Optic Sensor, 2m Cable Length, Red LED Light Source - LL3-TB02

This Fibre optic sensor is designed for detection tasks in industrial automation and electronic systems, using optical Fibres to transmit and receive light signals for remote sensing in confined or hazardous zones. It incorporates a red LED light source and is supplied with an attached cable for straightforward electrical connection, operating reliably across a wide temperature span suitable for varied plant environments.

Features and Benefits:

• Red LED emitter enables clear optical signalling and simple alignment
  Accepts plastic and glass Fibre types for flexible installation
  Copper zinc alloy housing provides Durable mechanical protection
  Cable termination with 2m length simplifies routing to control equipment
  Operates from -40°C to 70°C for broad environmental compatibility

Applications

• Suitable for presence detection in automated assembly lines
  Ideal for confined-space sensing where remote optics are required
  Used with inspection stations requiring visible-light feedback
  Can be used for object detection in electrical cabinet assemblies

What light source does it employ and how does that affect sensing?

It uses a red LED which offers a well-defined emission Peak for straightforward alignment with plastic or glass fibres and stable optical performance under normal operating temperatures.

How is the sensor connected to control systems?

The unit is fitted with a cable termination and includes a 2m lead to connect directly to control inputs or intermediate wiring looms without additional adaptors.

What materials are used for the enclosure and why is that relevant?

The enclosure is formed from a copper zinc alloy, providing robust mechanical resistance suited to industrial handling and mounting scenarios.

What temperature range can it withstand in operation?

It functions across an operating temperature window from -40°C up to 70°C, enabling use in both cold storage and heated process areas.

Are different Fibre media compatible with this device?

Yes, it supports the use of both plastic and glass optical fibres to match application demands for flexibility or higher transmission performance.