Buy Electronic Polarity Checkers online with Bunting – eMagnets™ Magnetic polarity checkers are handy devices designed to quickly and accurately determine the magnetic orientation of objects, particularly magnets. These tools are equipped with sensors that can identify the north and south poles of a magnet. By placing the magnet in proximity to the polarity checker, users can receive immediate feedback on the magnetic alignment Simple Operation Using an Electronic Magnetic Pole Tester is as straightforward as it gets. Press the button to activate the device and hold it near the magnet. If the red LED lights up, the magnet has a north pole at the point of contact. Conversely, if the green LED lights up, the magnet has a south pole at the point of contact.
