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SICK’s displacement sensors deliver laser measurement of position, height and thickness of objects in the micron range in the electronics, automotive and packaging industries, as well as in robotics.

The sensors can be used to monitor the presence and position of objects, as well as measuring profiles, diameters and width.

The range can detect the slightest unevenness and the smallest deviation or indentation, making it suitable for use in quality inspection.

The OD Precision and OD Value can also be used to accurately determine the thickness of glass, where only a single sensor head is required.

The OD series is IP67 protected and the sensor is taught via SICK’s teach-in interface.

The series offers a total of eight sensor-head variants for five measurement ranges – from 24-26mm to 300-700mm and resolutions of micron accuracy.

Short-distance measurement sensor heads are available with a small or wide light spot, ensuring precise balance over a larger area and a range of materials, while eliminating the possibility of interference – from surface scratches, for example.

The OD Precision series offers versatility in matching existing plant-control systems with NPN and PNP evaluation unit configurations.

By combining values from up to three sensors through one controller, measurements such as thickness, planarity or centricity can be obtained.

Alternatively, the OD sensor head can be used as a standalone device without an evaluation unit – for example, in a robot or handling system – and integrated with the automated control system via an RS422 interface.

The OD Value includes four ranges from 26-34mm up to 60-180mm and micron resolution accuracy.

Utilising CMOS technology, the OD Value is capable of precisely measuring the position of light, dark and highly reflective objects using small light spots.

The OD Value series is highly flexible, with four different interfaces requiring no supplementary evaluation unit.

In addition to the RS-422 variant with a switching output, there is a pure switching variant with two switching outputs, as well as analogue current or voltage outputs (4-20mA or 0-10V) and two switching outputs.

PNP and NPN compatibility is available.


SICK is a global leader in sensors and sensing systems for factory automation, logistics automation and process control. SICK’s comprehensive product portfolio encompasses sensors, encoders, machinery safety, machine vision and auto-identification in use by customers all over the world. Established for over 70 years, SICK products range from simple optical devices through to embedded intelligent systems, ready to meet the needs of Industry 4.0.

SICK sensors: At the heart of automation

SICK is one of the world’s leaders in sensors and sensing technologies for factory automation, logistics automation and process control.

SICK’s comprehensive product portfolio encompasses sensors, encoders, machinery safety, machine vision and auto-identification. The company also provides process instrumentation for gas and fluid flow and for chemical and pollutant detection.

From simple optical sensors and barcode readers to complex safety systems; from machine vision to emissions monitoring, SICK’s intelligent sensor solutions facilitate advanced automation and process control.

SICK products are designed with simplicity of installation and operation in mind. They help customers to achieve greater reliability and productivity, increased production flexibility and more efficient use of resources.

Founded in Germany more than 70 years ago, SICK employs more than 7,400 employees worldwide. The company invests heavily in research and development and is leading the way in smart sensor development to support Industry 4.0 objectives.

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