Non-contact laser sensor

The L-Gage LH Series laser sensor from Banner Engineering is used for precision displacement and thickness measure for quality control inspections.


The L-GAGE LH Series laser sensor is used for precision displacement and thickness measure for quality control inspections. Courtesy: Banner EngineeringBanner Engineering's L-Gage LH Series laser sensor is a non-contact measurement sensor designed to provide accurate and stable measurements. The LH Series is used for precision displacement and thickness measurements, developed to solve demanding measurement and quality control inspections on materials such as wood, metal, rubber, ceramic and plastic parts. The self-contained laser displacement sensor features a 1024 pixel CMOS linear imager that can achieve up to a 1 micron resolution under nominal conditions.

The LH features target displacement or thickness measurement with high resolution 4-20 mA or RS-485 serial communication outputs. Two sensors can be configured to self-synchronize for thickness measurements—performing the thickness calculation within the sensors—requiring no external controller for operation. The LH can be used in a network of up to 32 sensors, providing the capability to perform multiple, simultaneous inspections. Plus, with a narrow laser spot, the LH easily aligns to the smallest of targets.

The LH sensor comes equipped with an intuitive Graphical User Interface (GUI), which guides the user through setup and performance monitoring when adjusting the sensor parameters. After the LH is installed, the GUI provides data acquisition tools to graphically display the current measurements. Parameters such as analog output scaling, averaging, sample size and other advanced features can all be set within the GUI. All data is displayed in real time and can be saved to a log file, which is useful for troubleshooting the installation. 

Banner Engineering Corp.

- Edited by Chris Vavra, Control Engineering, 

Industrial Sensor Channel

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