slide 1€¦ · ppt file · web view · 2006-07-27lock fixed scale vernier scale vernier caliper...
TRANSCRIPT
Vernier Caliper
lockfixed scale
vernier scale
jaws
USING THE VERNIER CALIPER1. Insert the object between the jaws of the vernier.2. Lock the vernier. 3. 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.
4. Locate the mark of the vernier scale aligned with the mark of the fixed scale.
5. Read the lower vernier scale mark, divide by 10, then write as _____mm.
6. Add the results of steps 4 and 5.7. Attach a zero to the end.
Vernier Scale
Main 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