QZ# 13: Dial Caliper Reading & Measurement

Front

What is a dial caliper?

Back

A precision measuring instrument used to measure internal and external dimensions, as well as depths, with high accuracy.

Front

What unit of measurement does a dial caliper typically use?

Back

Centimeters (cm) and inches (in).

Front

How do you read a dial caliper?

Back

Align the zero mark on the sliding jaw with the scale, then read the measurement on the main scale and the dial for precision.

Front

What is the smallest measurement a dial caliper can read?

Back

The smallest measurement a dial caliper can read is typically to the ten thousandths place.

Front

What is the purpose of the depth gauge on a dial caliper?

Back

To measure the depth of holes or recesses.

Front

How many decimal places can a dial caliper read to?

Back

A dial caliper can read to four decimal places.

Front

What is the significance of the zero mark on a dial caliper?

Back

The zero mark indicates the starting point for measurement and must be aligned correctly for accurate readings.

Front

What does the main scale of a dial caliper measure?

Back

The main scale measures the primary length in either centimeters or inches.

Front

What is the function of the locking screw on a dial caliper?

Back

The locking screw secures the sliding jaw in place to maintain the measurement.

Front

How do you convert inches to centimeters using a dial caliper?

Back

Multiply the measurement in inches by 2.54 to convert to centimeters.