👉 A variometer is a device used to measure the pressure difference between two points on the same fluid. It consists of a fixed point (the "pivot") connected to an adjustable length called the "scale" and a movable point (the "tip") that can be moved along the scale. The tip's position will change as the volume of the fluid changes, indicating how much it is displaced from its original state. Variometers are commonly used in various applications such as measuring pressure, temperature, or
