Product Overview
Key Features The 450mm Navigation Parallel Ruler is standard bridge equipment for marine chart plotting. It enables navigators to transfer courses and bearings accurately on nautical charts. Compact 450mm design ideal for merchant ships, yachts, maritime training schools.
High-Precision Parallel Motion
Brass hinge connectors ensure smooth movement and long-term accuracy without deviation.
High-Transparency Acrylic Material
Thickened acrylic plate, heat-resistant, high clarity, easy to read chart scales through the ruler.
Wear-Resistant Scale
Imported ink printed metric scales, clear and abrasion-resistant, ideal for long-term marine use.
Specifications
450mm Compact Size
More space-saving than 600mm version, perfect for small bridge chart tables. Standard Marine Supply | IMPA 371001 Globally recognized marine supply item, fully compatible with ship spare parts list.
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Specifications |
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Product Name |
Navigation Parallel Ruler 450mm |
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Common Name |
45 Parallel Rule / Chart Parallel Ruler |
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Length |
450 mm |
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Material |
Acrylic (Transparent) |
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Hinge & Knobs |
Brass |
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Scale |
Metric (mm) |
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IMPA Code |
371001 |
Application
Chart plotting and bearing measurement on merchant ships Navigation operations on yachts &lingu Maritime schools&crew training Ship spare parts &marine supply
Brief Operation Guide
Hold one bar steady. Shift the other alternately to transfer parallel bearing& course lines on nautical charts.
Why Choose Us
√ Professional marine instruments supplier
√ Strict quality control
√ Durable & reliable for long-term use
√ Global shipping &fast delivery
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