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How do I know which light I need?
Light selection is dependent upon the part size, surface features, part geometry and system needs. Generally speaking, you can use the following chart to select a lighting technique. For help, contact one of our distributors or an NERLITE sales engineer.
| Applications/Desired Results |
Lighting Technique |
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Locate or measure outside dimensions - View openings (e.g., drilled holes) - Diminish clear glass or plastic housings - Measure thickness of materials
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Backlight
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Illuminate flat, diffused surfaces - Control costs - Good for diffused surfaces
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Rings, Domes or Area Arrays |
Fill-in center of image with light - Evenly illuminate flat shiny surfaces - Enhance scribed, indented or embossed features (when on-axis lighting is required) - Create contrast between specular, diffuse or absorptive surfaces
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DOAL or COAL
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Even out very bumpy specular surfaces - Diminish Clear Overcoats or Coverings - Reduce Shadows - Differentiate specular, diffuse or absorptive features on a bumpy surface
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CDI
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Even out slightly bumpy specular surfaces - Reduce shadows - Differentiate specular, diffuse or absorptive features on a slightly bumpy surface - Achieve near-CDI effect at reduced cost
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SCDI
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Illuminate only the contour of a part - Enhance embossed or engraved surface features - Differentiate between specular & diffused surfaces
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Dark Field
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Simplify lighting integration (one light, multiple applications) - Combine on-axis or SCDI with dark field techniques - Control costs
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MAXlite
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If you're ready to provide a profile of your application, take us up on our offer of a Free Evaluation!
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