How to Use a Vernier Caliper?
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Align the zero marks of the vernier and the main scale to begin measurement. Hold the main scale with your right hand and move the vernier with your thumb, while holding the object to be measured with your left hand, positioning it between the outer measuring jaws. When the object fits snugly against the jaws, you can take the reading. Below is a related introduction to vernier calipers: 1. Composition: A vernier caliper mainly consists of two parts - the main scale and the sliding vernier scale attached to it. The main scale is typically graduated in millimeters, while the vernier scale has 10, 20, or 50 divisions. 2. Usage Precautions: Vernier calipers are relatively precise measuring tools, so handle them gently and avoid collisions or dropping them on the ground.