Magnetic-inductive volumetric flow meters are not a specific brand but a category of flow measurement devices used across various industries. These devices are produced by multiple companies worldwide, such as Siemens (Germany), Endress+Hauser (Switzerland), and Krohne (Germany). They serve industries like water treatment, chemical processing, and food & beverage, offering accurate, non-intrusive flow measurement for conductive liquids. Key products include inline and insertion-type magnetic flow meters, known for their durability and minimal maintenance requirements.