How do you use a dial caliper to take inside measurements?
How to take inside measurements using adial caliper |
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Inside distances, such as the diameter of a hole, are measured using the upper jaws of the dial caliper.
Step 1 – Zero caliper then insert jaws into holeClose the jaws completely so that the caliper reads zero. Insert the upper jaws into the hole you are measuring. |
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Step 2 – Open jawsOpen the internal jaws using the thumb screw, until the outside of each jaw touches the edge of the hole. |
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Step 3 – Turn lock screwTurn the lock screw to tighten the jaws so that you can remove your object and take your reading. Step 4 – Read measured valueRead the measured value (See or ). |
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