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Introduction
Metrology: The science of measurement and its application
Importance of Metrology in various industries
Accuracy, precision, and traceability as key concepts
Metrology Types
• Industrial Metrology: Used in
manufacturing processes
• Scientific Metrology: Focus on
fundamental measurements
• Legal Metrology: Ensures compliance with
standards and regulations
Measurement Systems
• International System of Units (SI) as the
global standard
• Key SI units: meter, kilogram, second,
ampere, kelvin, mole, candela
• Derived units and prefixes
Measurement Uncertainty
• Definition of uncertainty in measurements
• Sources of uncertainty: systematic and
random
• Methods to estimate and minimize
uncertainty
Calibration vs. Verification
• Calibration: Process of comparing
measurements to a known standard
• Verification: Checking if a measuring
instrument is within acceptable limits
• Importance of regular calibration and
verification
Measurement Instruments
• Length measurement: rulers, calipers,
micrometers
• Mass measurement: balances, scales
• Temperature measurement: thermometers,
thermocouples
• Electrical measurement: multimeters,
voltmeters, ammeters
Metrology Techniques
• Direct measurement: measuring the actual
value
• Indirect measurement: calculating the
value based on other measurements
• Non-contact measurement: laser,
ultrasonic, and optical methods
Metrology in Quality Control
• Role of metrology in ensuring product
quality
• Statistical Process Control (SPC) and Six
Sigma
• Importance of accurate and repeatable
measurements

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metrology.ppt

  • 1. Introduction Metrology: The science of measurement and its application Importance of Metrology in various industries Accuracy, precision, and traceability as key concepts
  • 2. Metrology Types • Industrial Metrology: Used in manufacturing processes • Scientific Metrology: Focus on fundamental measurements • Legal Metrology: Ensures compliance with standards and regulations
  • 3. Measurement Systems • International System of Units (SI) as the global standard • Key SI units: meter, kilogram, second, ampere, kelvin, mole, candela • Derived units and prefixes
  • 4. Measurement Uncertainty • Definition of uncertainty in measurements • Sources of uncertainty: systematic and random • Methods to estimate and minimize uncertainty
  • 5. Calibration vs. Verification • Calibration: Process of comparing measurements to a known standard • Verification: Checking if a measuring instrument is within acceptable limits • Importance of regular calibration and verification
  • 6. Measurement Instruments • Length measurement: rulers, calipers, micrometers • Mass measurement: balances, scales • Temperature measurement: thermometers, thermocouples • Electrical measurement: multimeters, voltmeters, ammeters
  • 7. Metrology Techniques • Direct measurement: measuring the actual value • Indirect measurement: calculating the value based on other measurements • Non-contact measurement: laser, ultrasonic, and optical methods
  • 8. Metrology in Quality Control • Role of metrology in ensuring product quality • Statistical Process Control (SPC) and Six Sigma • Importance of accurate and repeatable measurements