Dial calipers are normally used for measuring the thickness of materials and small amounts of movement. They are especially popular for automotive and machining applications.
There are two sets of graduations on a dial caliper. The main scale is marked in one-tenth (0.1) inch intervals. The dial is marked in one-hundredth (0.001) inch intervals and as read by identifying the graduation indicated by the hand.
Reading the dial caliper is a two-step process:
Zero out the dial: close the jaws and check that the indicator points to “0” on the dial face.
Adjust the jaws to measure the object.
First, look at the sliding jaw and note the last main scale graduation that it passed.
Next, look at the dial and determine which number the hand is pointing.
The final reading is the sum of these two readings.
How to Read Dial Calipers
Dial calipers are normally used for measuring the thickness of materials and small amounts of movement. They are especially popular for automotive and machining applications.
There are two sets of graduations on a dial caliper. The main scale is marked in one-tenth (0.1) inch intervals. The dial is marked in one-hundredth (0.001) inch intervals and as read by identifying the graduation indicated by the hand.
Reading the dial caliper is a two-step process:
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