Use of Vernier Caliper - 鄭植之中學CHENG CHEK CHEE …€¦ · PPT file · Web view ·...
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Use of Vernier Caliper Use of Vernier Caliper Vernier Cali Vernier Cali per can be u per can be u sed to measu sed to measu re diameter, re diameter, thickness ve thickness ve ry accuratel ry accuratel y. y. The Mission Covenant Church Holm Glad Col
Transcript of Use of Vernier Caliper - 鄭植之中學CHENG CHEK CHEE …€¦ · PPT file · Web view ·...
Use of Vernier CaliperUse of Vernier Caliper
Vernier Caliper caVernier Caliper can be used to measn be used to measure diameter, thicure diameter, thickness very accuratkness very accurately.ely.
The Mission Covenant Church Holm Glad College
Different Parts of Vernier CaliperDifferent Parts of Vernier Caliper
Inside Inside jawsjaws
Outside Outside jawsjaws
VernierVernierScaleScale
Main Main ScaleScale
Depth Depth GaugeGauge
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Measuring Internal DiameterMeasuring Internal Diameter
Use the inside Use the inside jaws of the jaws of the caliper as showncaliper as shown
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Measuring External DiameterMeasuring External Diameter
Use the outside jaws of Use the outside jaws of the caliper as shownthe caliper as shown
The Mission Covenant Church Holm Glad College
Measuring Depth of a HoleMeasuring Depth of a Hole
Use the depth Use the depth gauge of the gauge of the caliper as showncaliper as shown
The Mission Covenant Church Holm Glad College
Reading the Vernier ScaleReading the Vernier Scale Read the “0” position of the Read the “0” position of the
vernier scale on the main scavernier scale on the main scale to get a rough reading.le to get a rough reading.
Rough reading = 18mmRough reading = 18mm
Look along the vernier scale Look along the vernier scale until one of the vernier divisiuntil one of the vernier division coincides with the main son coincides with the main scalecale
Accurate reading = 18.46mmAccurate reading = 18.46mm±0.01 mm±0.01 mm
The Mission Covenant Church Holm Glad College
ExerciseExerciseWhat is the reading in the caliper shown?What is the reading in the caliper shown?Please click on one of the following answer.Please click on one of the following answer.
A. 3.51cm
B. 3.57cm
C. 3.62cm
D. 3.642cm
E. 3.67cm
3.5
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0 5 10
3 4
overlap
You Are Wrong!You Are Wrong!
See the Solution
Try Again
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Congratulation!Congratulation!You are Right!You are Right!
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0 5 10
3 4
overlap
SolutionSolution
Read the “0” position of the vernier scale on the main scale to get a rough reading.Rough reading = 3.6cmLook along the vernier scale until one of the vernier division coincides with the main scaleAccurate reading = 3.67cm±0.005cm
The Mission Covenant Church Holm Glad College
