Vernier Caliper Use The vernier caliper is used in length measurements to gain an additional digit of accuracy compared to a simple ruler. The details of the vernier principle are shown in the illustrations below, and the movie may be played to see a progression of measurements with a common vernier caliper. Density and Buoyancy Experiment Index HyperPhysics***** Physics 7110 Go Back ...

Vernier Caliper Instructions on use The Vernier caliper is an extremely precise measuring instrument; the reading error is 1/20 mm = 0.05 mm. Close the jaws lightly on the object to be measured. If you are measuring something with a round cross section, make sure that the axis of the object is perpendicular to the caliper. This is necessary to ensure that you are measuring the full diameter and ...