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Home > Education >Caliper Information

Outside calipers

Outside calipers are used to measure the external size of an object.
The same observations and technique apply to this type of caliper, as for the Inside caliper. With some understanding of their limitations and usage these instruments can provide a high degree of accuracy and repeatability. They are especially useful when measuring over very large distances, consider if the calipers are used to measure a large diameter pipe. A vernier caliper does not have the depth capacity to straddle this large diameter while at the same time reach the outermost points of the pipes diameter.