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Magnetic Field Viewer Magnet Poles Testing Card Magnetism Area Observation =Film= Card =Magnetdetectorpattern Display 30X30mm F

<ul><li>Magnetic Field Viewer】This product allows you to easily visualize and study magnetic fields that are normally invisible. Simply place the card on a magnetic material for surface and it will display a patterned magnetic field.</li><li>Versatile Applications】 for personal or scientific research, quality control, product demonstrations, reverse engineering, certification, and educational purposes. It serves as a valuable tool for exploring magnetic fields that cannot be seen with the naked eye.</li><li>Portable and Light】Compact and lightweight design makes it easy to carry anywhere. This magnetic field viewer is convenient to use and can be taken to various locations for experiments or demonstrations.</li><li>Wide Compatibility】The highly flexible film of this viewer is suitable for magnetic surfaces with any convexity or cavity. It provides a reliable and accurate way to observe and analyze static magnetic fields.</li><li>L4MF Magnetic Field Viewer 25/30/50mm Pattern Display Membrane Magnetic Card Detector Electromagnetic Radiation Detectors</li></ul>

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Magnetic Field Viewer Pattern Display Membrane Magnetic Card Detector Fdescribe:This project is easy to use. place the card on the of a magnetic material and it will display a patterned magnetic field.Great for personal or scientific research. It can help us study magnetic fields that we cannot see.It can be used for quality control, product demonstrations, reverse engineering, certification and educational purposes.Small and portable, light weight, easy to carry.A great educational tool to our interest in science.Magnetic Field Viewer is a -encapsulated film that allows users to view static magnetic fields.The highly flexible film is suitable for magnetic s with any convexity or cavity.Specification:Size: 50×50mm 25×25mm 30×30mmColor: yellowEffect: True Color, GrayQuantity: 1 piecePackage Included:1 Magnetic Field ViewerTransition: 1cm=10mm=0.39inchDue to manual measurement, please allow 1-2 cm error. Make sure you don't mind before bidding.Due to differences between different monitors, the image may not reflect the actual color of the item. Thanks!