Bar Lights

Bar lights are high-intensity, linear LED illumination sources designed for machine vision, inspection, and automation systems. These compact and versatile lighting solutions deliver uniform, edge-to-edge illumination, ideal for highlighting surface textures, defects, or various features on objects. Bar lights are commonly used in applications requiring bright, directional light over a wide area—such as conveyor line inspection, robotic guidance, packaging verification, and quality control. Available in multiple lengths, wavelengths (including red, blue, green, white, UV, IR, and SWIR), and intensity control options, these lights integrate seamlessly into industrial vision systems. With adjustable mounting and robust housing, Edmund Optics’ bar lights support high-performance imaging in demanding factory or lab environments.

FAQ(s)

What are bar lights used for in machine vision?

Bar lights provide even, linear illumination across wide or uneven surfaces. They're ideal for inspecting flat parts, printed labels, packaging, and assemblies on conveyor lines.

How do I choose the right wavelength for my bar light?

Choose the wavelength that maximizes contrast in your application. Red is common for general use, while blue or green can enhance fine detail. IR is best for non-visible light applications.

Can bar lights be synchronized with cameras or other equipment?

Yes, many bar lights support strobe or trigger input for synchronized operation with cameras, improving image clarity and system efficiency. Some models can even be daisy-chained to multiple units.

Are bar lights dimmable or intensity-adjustable?

Most bar lights offer built-in or external intensity control options, allowing you to fine-tune brightness for optimal image quality.

What mounting options are available for bar lights?

Most bar lights have mounting features. Check the threading and mounting specifications for each model to confirm.

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