{"product_id":"b0h2x2zvxf","title":"Magnetic Pole Pen Tester – NS Polarity Identifier Tool for Magnets \u0026 Coils","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eEasy Operation: One-button design makes polarity testing simple and intuitive—just press and hold the button while touching the magnet surface; red LED lights up for North pole, green for , eliminating guesswork in seconds.\u003c\/li\u003e\n\u003cli\u003eCompact Design: Pen-shaped tester measures only 6.06 x 1.06 x 0.94 inches and weighs just 2.27 oz, fitting comfortably in hand or pocket for on-the-go use in labs, workshops, e on, or field service.\u003c\/li\u003e\n\u003cli\u003eClear Visual Feedback: Dual-color LED indicators provide immediate, unambiguous polarity confirmation—no reading charts or interpreting values, ideal for technicians, students, and hobbyists verifying magnet orientation or coil winding direction.\u003c\/li\u003e\n\u003cli\u003eBroad Compatibility: Works with permanent magnets, electromagnets, magnetic assemblies, and solenoid coils—ideal for magnetization checks, speaker magnet alignment, motor repair, and STEM classroom experiments.\u003c\/li\u003e\n\u003cli\u003eReliable Performance: Engineered with ±5mT sensitivity and stable operation from -20°F to 176°F, powered by two standard AAA batteries (not included), delivering consistent results across industrial, e onal, and DIY applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : Xixian\u003c\/li\u003e\n\u003cli\u003ePower Source : Ac\/DC\u003c\/li\u003e\n\u003cli\u003eStyle : common\u003c\/li\u003e\n\u003cli\u003eColor : Blue\u003c\/li\u003e\n\u003cli\u003eNumber of Items : 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"BrightMinds","offers":[{"title":"Default Title","offer_id":47666925797460,"sku":"SPH-B0H2X2ZVXF","price":33.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/3590\/1780\/files\/31wWnnx1piL._AC_SL1500.jpg?v=1789309999","url":"https:\/\/learnbrightminds.com\/products\/b0h2x2zvxf","provider":"BrightMinds","version":"1.0","type":"link"}