![]() ![]() Vernier ScaleĪ vernier scale slides on the strip. If both the zeros do not coincide, there will be a positive or negative zero error. When the two jaws are in contact, the zero of the main scale and the zero of the Vernier scale should coincide. It carries the inner and outer measuring jaws. The main scale consists of a steel metallic strip graduated in centimeters at one edge and in inches at the other edge. ![]() Another jaw, containing the vernier scale, moves over the main scale. ![]() The Vernier Calliper consists of a main scale fitted with a jaw at one end. It was the first practical tool for exact measurements that could be sold at an affordable price to ordinary machinists. The modern Vernier calliper was invented by Joseph R. First the tips of the calliper are adjusted to fit across the points to be measured and the calliper is then removed and the distance between the tips is measured using a ruler. It can be as simple as a compass with inward or outward-facing points. To measure the internal diameter and depth of a given beaker/calorimeter and hence find its volume.Ī calliper is a device used to measure the distance between two opposing sides of an object.To measure the length, width and height of the given rectangular block.To measure the diameter of a small spherical / cylindrical body.To know the use of the Vernier Calipers. ![]()
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