Metrology Laboratory

  1. General
    1. Experiments for S6ME/55PM 2016 (download PDF) (Revised 21 Dec 2016)
    2. Checklist for Rough and Fair records (download PDF) (Revised 21 Dec 2016)
    3. Tabular column for First Cycle (download PDF) (Revised 30 Dec 2016)
    4. Tabular column for Second Cycle (download PDF) (Revised 21 Dec 2016)
    5. How to calculate uncertainty in calibration (download PDF) (updated 27 Aug 2004)
    6. Sequential vs Random Calibration (download PDF) (Added 10 Apr 2004)
    7. Repetition vs Replication (download PDF) (added 27 Aug 2004)
    8. Correction plot (download PDF) (Revised 31 Jan 2006)
    9. Link to Design of experiments (Link added 19 Nov 2008)
  2. Screw Thread Measurements
    1. Measuring effective diameter of a thread using three wire method (download PDF) (added 10 Apr 2004)
    2. Measurements using Universal Measuring Microscope (download PDF) (added 16 Jan 2008)
    3. Measuring effective diameter of a thread using Universal Measuring Machine (download PDF) (added 10 Apr 2004)
    4. Experiment on tightness between nuts and bolt (download PDF) (added 16 Jan 2008)
  3. Gear Measurements
    1. Determining the parameters of an unknown gear (download PDF) (added 07 Nov 2008)
    2. Measuring gear over rollers (download PDF) (added 10 Apr 2004)
    3. Measurements using Profile Projector (download PDF) (added 16 Jan 2008)
    4. Measuring Base Pitch on profile projector (download PDF) (added 21 Apr 2004)
    5. Measuring Base Tangent Length (Span) using a Disc Micrometer and thus calculating Tooth thickness and Base Pitch (download PDF) (added 21 Apr 2004)
    6. Procedure to determine the theoretical profile of an involute gear (download PDF) (Revised 7 Nov 2008)
    7. Procedure to determine the profile error of a gear (download PDF) (added 27 Aug 2004)
    8. Measuring chordal thickness using Gear Tooth Vernier (download PDF) (added 27 Aug 2004)
  4. Definition of straightness error (download PDF) (added 27 Aug 2004)
  5. Measurement of straightness error using autocollimator (download PDF) (Added 31 Jan 2006)
  6. Determination of straightness error using Spirit Level (download PDF) (Added 31 July 2008)
  7. Calibration of Height Measuring Device (download PDF) (Added 31 July 2008)
  8. Measuring a gap using Slip Gauges (download PDF) (added 27 Aug 2004)
  9. ID Measurement
    1. Using Slip Gauges and Rollers (download PDF) (added 23 July 2005)
    2. Bore Dial Gauge bore dial gauge bore dial gauge point (download PDF) (added 30 May 2005)
  10. Repeatability and Reproducibility Study (download PDF) (added 22 Feb 2006)
  11. Calibration of a dial gauge using Dial Gauge Tester (download PDF) (added 16 Jan 2008)
  12. Determination of strain using strain gauges (download PDF) (added 16 Jan 2008)
  13. Tool Angle measurement using Tool Maker's Microscope (download PDF) (added 16 Jan 2008)
  14. Ultrasonic Testing (download PDF) (added 5 Aug 2004)
  15. Dead Weight Tester (download PDF) (added 5 Aug 2004)
  16. Stroboscopic Tachometer (download PDF) (added 27 Aug 2004)
  17. Determination of Time Constant of a thermometer (download PDF) (added 22 Feb 2006)
  18. Experiment on limits and fits (download PDF) (added 28 Oct 2009)
  19. Determination of Relative Humidity (download PDF) (added 16 Oct 2014)
  20. The Planimeter (download PDF) (added 26 Sept 2016)
  21. Thermocouples (download PDF) (added 26 Sept 2016)
  22. Combination Set (download PDF) (added 02 Aug 2017)
  23. Coordinate Measuring Machine (download PDF) (added 02 Aug 2017)
  24. Cylindricity Testing Machine (download PDF) (added 02 Aug 2017)


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