1. APPLIES EQUIPMENTS OF ELEMENTARY COMPARATOR AND MEASURING INSTRUMENT
METAL CASTING ENGINEERING
GRADE X / SEMESTER 1 AND 2
SK-KD 017

2. COMPETENCY ACHIEVEMENT DIAGRAM
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3. COMPETENCY STANDARD AND BASIC COMPETENCY
Applies Equipments of Comparator and / or Elementary Measuring Instrument
BASIC COMPETENCY
Chooses and applies equipments of elementary comparator and/or measuring instrument
Looks after equipments of elementary comparator and/or measurement
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4. LEARNING AIM After learning finish
Educative participant can choose and applies equipments of elementary comparator and/or measuring instrument
Educative participant can look after equipments of elementary comparator and/or measurement
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5. Steel ruler
Steel ruler is ruler made from iron stainless steel having set of metrical measure (metre) and English (inchi).
Its the function to measure length an plane object.
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6. Way Of Usage of Steel Ruler
Steel ruler is put down to work object area which will be drawn applies steel needle . Periphery tip of steel ruler patchs snuggling to retainer log / assistant iron.
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7. Vernier Calipers
Vernier calipers is measuring instrument which at most applied in machinery workshops and also in industry.  
Level of correctness of common slide calipers with directing line is having scale / analog system is 0,1 mm; 0,05 mm; 0,02 mm and 1/128 Inchi.
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8. Parts Of Vernier calipers
1. External meter jaw 5. Main scale ( inchi) 2. Meter jaw in 6. Scale nonius (metric) 3. Bathometer 7. Scale nonius (inchi) 4. Main scale (metric) 8. Lock
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9. Measurement Type From Slide calipers
Outside measurement (Outside diameter, Length, Width, Thick).
Inside measurement (Inside diameter, path wide).
Depth measurement.
Step measurement.
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10. Outside measurement
Which is including outside measurement is measurement of area, external diameter, thick and job activity object length which still in slide calipers jaw coverage.
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11. Inside measurement
Which is including Inside measurement is measurement of diameter in and job(activity object path wide.
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12. Depth measurement
Depth measurement is one of way of measure plane hole depth / depth at job(activity object.
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13. Step measurement
This measurement is measurement adapted for by situation of job(activity object side to be third way of measurement before all.
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14. Vernier calipers Usage Procedure
Cleans permanent jaw and motion jaw with dust-cloth which have been dropped alcohol.
Investigates straightness of measure area at both jaws.
Does setting zero / zero setting.
Does measurement to gauge block.
Mistake value log of measure happened.
After completed cleans slide calipers especially part of permanent jaw and motion jaw.
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15. CREATED BY : MUHSHON KHOIRI & MUKLIS KUSTAMTOMO SMKN 2 KLATEN
THANK YOU
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