An Analog Pressure Gauge is a device used to measure and display the pressure of gases or liquids in various applications. They work on mechanical principles, using components like the Bourdon tube and pointer to provide visual readings. These are used in various industrial settings to monitor and control pressure in machinery, pipelines, and reactors. Proper maintenance, calibration, and selection based on application needs are essential for ensuring accurate and effective pressure measurement. Analog Pressure Gauge are reliable and straightforward instruments used to measure and display pressure in various applications.