lock fixed scale vernier scale Vernier Caliper jaws

USING THE VERNIER CALIPER Insert the object between the jaws of the vernier. Lock the vernier. Take the reading on the fixed scale. Locate “0” mark of the vernier scale. Read the fixed scale mark which is to the left of the “0” mark of the vernier scale . Read as ____mm. Locate the mark of the vernier scale aligned with the mark of the fixed scale. Read the lower vernier scale mark, divide by 10, then write as _____mm. Add the results of steps 4 and 5. Attach a zero to the end.

Main Scale Vernier Scale

13

13.65

13.650 mm

23

23.700 mm

23.700 mm

48

48.550 mm

48.550 mm

75

75.400 mm