1. Measurement

2. MEASURING TOOLS RULER DIAL CALIPER VERNIER CALIPER OUTSIDE MICROMETER
DEPTH MICROMETER
INSIDE MICROMETER
INDIRECT MEASUREMENT
HEIGHT GUAGE
INIDICATORS

3. Systems of Measurement
US Conventional System- inches, feet, yards
Fractional Notation
Decimal Notation
Reading a Ruler (review page 70 Modern Metalworking)
International System of Units (SI)- SI metric
Millimeters/ Half millimeters
Reading a Ruler (review page 71 Modern Metalworking)

4. Ruler Graduations Fractional Inch (1/8”-1/64”)
Decimal Inch (10th, 20th, 50th)
Metric (millimeters and half millimeters)

6. Combination Square

7. Rulers

8. Dial Calipers
Bezal Lock, Caliper Dial, Clamp Screw, Fixed Jaw, Scale Beam, Movable Jaw, Inside Nib.

9. The Dial Caliper

10. How to Read a Caliper

11. More accurate than dial calipers
Vernier Calipers
More accurate than dial calipers

12. Vernier Measurement Review

13. Outside Micrometer

14. Reading a Micrometer

15. Depth Measurement
Used to accurately measure the depth of a hole or bore.

16. Depth Measurement

17. Inside Micrometer
Used to accurately measure bores or hole diameter

18. Inside Micrometer

19. Indirect Measurement

20. Height Gage Types Supported by Surface Plates and Machine Tables
Digital, Dial, or Vernier
Supported by Surface Plates and Machine Tables

21. Indicators Used for “quick checking” parts and machine setups Types
Balanced- can be read in both directions from the “0” line
Continuous- read clockwise from “0” line
Digital

22. Using an Indicator

23. Test Your Knowledge What is the graduation of this ruler?
When is a magnifying glass needed?
Why should you begin readings at the 1”?
Identify the highlighted marks.

26. 7.
.217

27. 8.
.272