Electromagnetic wastewater flow meter , it is widely used in water (tap water ,industrial water , and chilled water,sea water sewage treatment ) metallurgy , chemical , textile , food , paper , power , pharmaceutical and other areas .It applies to measure
Introduction The permanent magnet stepper motor is a valuable device that boasts high efficiency and compatibility with a wide range of applications. Thanks to its rotor being composed of permanent magnets, there's no need for external excitation, making