Industrial pressure transmitters are a category of devices used to measure and transmit pressure readings in various industrial applications. These transmitters are produced by multiple manufacturers worldwide, such as Emerson (USA), Siemens (Germany), and Yokogawa (Japan). They serve industries including oil and gas, chemical processing, water treatment, and manufacturing. Key products include differential pressure transmitters, absolute pressure transmitters, and gauge pressure transmitters, designed for accuracy and durability in harsh environments.