It can be used for NdFeB, SmCo, AlNiCo, Ceramic and most other magnets and refrigerator/flexible magnets. This pole identifier is guaranteed to be 100% accurate. If it's the South Pole, the Green LED will glow.Īnd if the button is held and the unit is moved around the surface of the magnet….you can see the transition from one pole to another. If it is the North Pole, the Red LED will glow. Simply press and hold the black oval button.Then, place the tip of the detector near the surface of the magnet. How does it identify the north and south poles of a permanent magnet? This is a great new gadget we are carrying! **NOT RECOMMENDED FOR CHILDREN UNDER THE AGE OF 12 In fact, ferrofluids display paramagnetism, and are often referred as being "superparamagnetic" due to their large magnetic susceptibility.Ĭlick Here To Download FERROFLUID Material Safety Data Sheet Although the name may suggest otherwise, ferrofluids do not display ferromagnetism, since they do not retain magnetisation in the absence of an externally applied field. The ferromagnetic nano-particles are coated with a surfactant to prevent their agglomeration (due to van der Waals and magnetic forces). The particles are coated with a a soap or detergent to prevent them from clumping together.įerrofluids are composed of nanoscale ferromagnetic particles suspended in a carrier fluid, usually an organic solvent or water. It is a colloidal mixture comprising extremely small magnetic particles suspended in a synthetic oil. Essex Magnet Wire - Winding Wire - EnameledĪ ferrofluid (from the Latin ferrum, meaning iron) is a liquid which becomes strongly polarised in the presence of a magnetic field.Magnet Pole Detector - Identifier - Tester.Magnetic Tools-Films-Fluids Gadgets & Science Kits.N48 - N50 - N52 Strongest Rare Earth Neodymium Magnets.Neodymium Arc & Wedge Rare Earth Magnets.Neodymium Sphere & Ball Rare Earth Magnets.Neodymium Ring & Tube Rare Earth Magnets.Neodymium Magnets With Countersunk Holes.Neodymium Cup & Hook Magnets - Magnetic Cups.Neodymium Diametric Disc & Cylinder Magnets.Neodymium Disc & Cylinder Rare Earth Magnets.The top of the bottle is magnetic so you can comfortably place the included magnet when the display is not in use. The cap of this display is child-resistant so you'll have a layer of protection if a curious youngster gets a hold of the bottle. The combination of EDU grade ferrofluid in world renowned suspension liquid helps us create top quality ferrofluid which is devoid of any foreign particles and clogging which is a big problem with lower grade ferrofluid displays. Larger volume ensures a better interpretation of the magnetic field and widens your choices of shapes. The 30 ml bottle has a generous 1 ml ferrofluid and the 60 ml has a staggering 2 ml. Motion is available in 30 ml and 60 ml bottles. The different colors add variation to the patterns you create and make your sessions more visually stimulating. Three color choices (black, blue and gold). Controlling this magical liquid as it swirls and swerves around the bottle is oddly satisfying to watch and highly addictive. This is a perfect gift for someone who really admires science or someone with a high functioning anxious mind. The Motion showcases the beauty of ferrofluid in a safe, mess-free environment which is a rare combination considering its reputation for staining everything that comes in its way.
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