Imtra Learning Center

Imtra’s Learning Center is a great resource for everything you need to know about your boat’s equipment and systems. Everything from product overviews, product comparisons, buying guides, troubleshooting guides, maintenance tips and more can be found here, and it’s always being updated. Be sure to also check out our video library for product demonstrations, how-tos, webinars and much more!




Archive by tag: dhrReturn
When it comes to determining the output, or brightness, of a light source, there are a few different ways to measure it, and each serves a specific purpose. Let's examine the difference between candela & lumen.
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4 Key factors to consider so that you get the best searchlight for your vessel.
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Based in Holland, Den Haan Rotterdam (DHR) has been manufacturing top-quality marine lighting products since the early 1920s. DHR started with tin oil-lamps that were used on ships, and have kept up with the latest technology for generations, now offering a complete range of state-of-the-art LED Marine Navigation Lights.
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