Dial Caliper Measurement Techniques

This video tutorial by Colfax Math provides a quick guide on how to read a dial caliper. It begins with an introduction to the tool, explaining that the measurements are in inches and each mark represents one-thousandth of an inch. The video then demonstrates how to read various measurements, starting with simpler examples and progressing to more complex ones. It concludes by explaining the four different ways to use a dial caliper, including inside and outside measurements, depth measurement, and step height measurement. The importance of handling the caliper gently and zeroing it out before use is also emphasized.

What is the smallest unit of measurement on a dial caliper?

• One thousandth of an inch

• One hundredth of an inch

• One tenth of an inch

• One inch

In the first example, what is the measurement read from the caliper?

• 0.658 inches

• 658 thousandths

• 658 inches

• 0.658 thousandths

What is the measurement in the first example?

• 0.658 thousandths

• 658 inches

• 0.658 inches

• 658 thousandths

What is the measurement in the second example?

• 154 inches

• 154 thousandths

• 1.154 thousandths

• 1.154 inches

What is the measurement in the second example?

• 1.154 thousandths

• 154 inches

• 154 thousandths

• 1.154 inches

In the third example, why is the measurement tricky?

• The dial is broken

• The line is obscured

• The caliper is not zeroed

• The measurement is too large

What is the measurement in the third example?

• 896 thousandths

• 896 inches

• 0.896 thousandths

• 0.896 inches

What is the measurement in the third example?

• 0.896 inches

• 0.896 thousandths

• 896 inches

• 896 thousandths

What is the measurement in the fourth example?

• 775 thousandths

• 775 inches

• 1.775 thousandths

• 1.775 inches

In the fifth example, what is the measurement read from the caliper?

• 176 inches

• 176 thousandths

• 3.176 inches

• 3.176 thousandths