Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 1 Introduction to Engineering Technology Seventh Edition Robert J. Pond & Jeffery L. Rankinen Chapter 5 Measurement Systems

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 2 The Fundamental Units

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 3 The Fundamental Units LengthLength MassMass TimeTime

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 4 The Fundamental Units TemperatureTemperature Electric CurrentElectric Current Luminous IntensityLuminous Intensity

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 5 The Fundamental Units Amount of SubstanceAmount of Substance Supplemental UnitsSupplemental Units Transfer StandardsTransfer Standards

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 6 Conversion of Units within the English System Multiplying by the unit ratioMultiplying by the unit ratio ExamplesExamples

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 7 Conversion of Units within the English System

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 8 Conversion of Units within the English System ExamplesExamples

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 9 Conversion of Units within the International System Metric prefixes – should be memorizedMetric prefixes – should be memorized

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 10 Conversion of Units within the International System ExamplesExamples

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 11 Conversion of Units Between Systems

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 12 Conversion of Units Between Systems ExamplesExamples

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 13 The Use of Dimensional Analysis Example 5.16Example 5.16

Introduction to Engineering Technology, 7 th ed. Pond and Rankinen © 2009Pearson Education, Upper Saddle River, NJ All Rights Reserved. 14 Precision of the Inch and Millimeter Scales Millimeter is smaller and more accurateMillimeter is smaller and more accurate Most calculators perform unit conversionMost calculators perform unit conversion