Goniometer

In simple words, Goniometers are needed to measure angles and plane angles. That is, these are devices with a moving part that can be rotated around a fixed axis. There are three main types of goniometers: 1. In this type, the plane of rotation (horizontal or vertical) and the axis of rotation of the body are in the same plane.

2. In it, the axis of rotation is not located vertically or horizontally, but at an angle. This allows you to measure not only angles, but also complex curved shapes, such as a wedge. 3. Optical goniometer device. It is designed to measure the angle between two flat surfaces that cannot be aligned exactly with each other. The device is based on the principle of optical image transformation.