# Metrology

- Institution: IIT Madras
- Department: Mechanical Engineering
- Teacher: Dr. K. Sadashivappa
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/112106179)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/112106179)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Introduction to metrology](https://invisiblenetwork.ai/learn/nptel/112106179/f15cb37e463d) (Video)
2. [Metrology terminologies](https://invisiblenetwork.ai/learn/nptel/112106179/56786b09dc23) (Video)
3. [Measurement errors](https://invisiblenetwork.ai/learn/nptel/112106179/ffeef842bdf1) (Video)
4. [Linear measuring instruments – 1 (Angle plate, steel rule, spring calipers)](https://invisiblenetwork.ai/learn/nptel/112106179/6457449a0471) (Video)
5. [Linear measuring instruments – 2 (Combination set, Vernier calipers)](https://invisiblenetwork.ai/learn/nptel/112106179/2a828b58270b) (Video)
6. [Linear measuring instruments – 3 (Height gauge, Micrometers – 1)](https://invisiblenetwork.ai/learn/nptel/112106179/b893d0113a17) (Video)
7. [Linear measuring instruments – 4 (Micrometers – 2, Bore gauge)](https://invisiblenetwork.ai/learn/nptel/112106179/9b96ffe6abec) (Video)
8. [Linear measuring instruments – 5 (Dial indicators, thickness gauges, depth gauges)](https://invisiblenetwork.ai/learn/nptel/112106179/17556a276b6e) (Video)
9. [Manufacturing tolerances and fits](https://invisiblenetwork.ai/learn/nptel/112106179/691a6ba13a7c) (Video)
10. [Terminologies of limits fits and tolerances](https://invisiblenetwork.ai/learn/nptel/112106179/26483e0c3453) (Video)
11. [Numerical problems on fit and tolerances](https://invisiblenetwork.ai/learn/nptel/112106179/f7f3c2f9813b) (Video)
12. [Selection of fits, Geometrical tolerances](https://invisiblenetwork.ai/learn/nptel/112106179/ac47e8ffdc75) (Video)
13. [Positional tolerances](https://invisiblenetwork.ai/learn/nptel/112106179/2de5ba44436c) (Video)
14. [Limit gauging - 1](https://invisiblenetwork.ai/learn/nptel/112106179/33707afd9b65) (Video)
15. [Limit gauging - 2](https://invisiblenetwork.ai/learn/nptel/112106179/110d0e03c749) (Video)
16. [Design of limit gauges](https://invisiblenetwork.ai/learn/nptel/112106179/71bf3776dfb1) (Video)
17. [Measurement of straightness, flatness and squareness](https://invisiblenetwork.ai/learn/nptel/112106179/81bf031d06e9) (Video)
18. [Perpendicularity measurement](https://invisiblenetwork.ai/learn/nptel/112106179/e9c0b38ed8ef) (Video)
19. [Basics of surface roughness](https://invisiblenetwork.ai/learn/nptel/112106179/379ed219f26b) (Video)
20. [Surface finish parameters](https://invisiblenetwork.ai/learn/nptel/112106179/901fbbb922c2) (Video)
21. [Stylus type surface finish measuring instruments](https://invisiblenetwork.ai/learn/nptel/112106179/9addd02c3f59) (Video)
22. [Non-contact type surface finish measuring instruments](https://invisiblenetwork.ai/learn/nptel/112106179/548fa93b68a2) (Video)
23. [Screw thread production and terminology](https://invisiblenetwork.ai/learn/nptel/112106179/27bf629847a5) (Video)
24. [Measurement of screw thread elements](https://invisiblenetwork.ai/learn/nptel/112106179/7656d39de21c) (Video)
25. [Introduction to gears](https://invisiblenetwork.ai/learn/nptel/112106179/7c1ba7926e97) (Video)
26. [Measurement of gear elements](https://invisiblenetwork.ai/learn/nptel/112106179/0cfeb579ec00) (Video)
27. [Angle measurement - 1](https://invisiblenetwork.ai/learn/nptel/112106179/6c1112cf577a) (Video)
28. [Angle measurement - 2](https://invisiblenetwork.ai/learn/nptel/112106179/db7abc40ea9c) (Video)
29. [Radius measurement,Contact angle measurement](https://invisiblenetwork.ai/learn/nptel/112106179/ac6f08dad035) (Video)
30. [Basics of interferometry](https://invisiblenetwork.ai/learn/nptel/112106179/8cd6205dae93) (Video)
31. [Interferometers](https://invisiblenetwork.ai/learn/nptel/112106179/5e3b0a59ad36) (Video)
32. [Introduction to comparators, Mechanical comparators](https://invisiblenetwork.ai/learn/nptel/112106179/6f28d22ccdf7) (Video)
33. [Electrical and electronic comparators, Optical comparators](https://invisiblenetwork.ai/learn/nptel/112106179/d1585c87e8c4) (Video)
34. [Pneumatic comparators](https://invisiblenetwork.ai/learn/nptel/112106179/bc32ab16c10d) (Video)
35. [Geometrical tests on lathe](https://invisiblenetwork.ai/learn/nptel/112106179/deadb42c94f6) (Video)
36. [Geometrical tests on pillar type drilling machine](https://invisiblenetwork.ai/learn/nptel/112106179/096badb704ff) (Video)
37. [Universal measuring machine (UMM) and Coordinate measuring machine (CMM)](https://invisiblenetwork.ai/learn/nptel/112106179/a968328fca77) (Video)
38. [CMM probes and CMM software](https://invisiblenetwork.ai/learn/nptel/112106179/3f0a9e580d2b) (Video)
39. [Feature measurement using CMM, Laser vision](https://invisiblenetwork.ai/learn/nptel/112106179/debb9bb8ae21) (Video)
40. [In-process gauging and control](https://invisiblenetwork.ai/learn/nptel/112106179/4d228205a4c2) (Video)
41. [Stage position metrology](https://invisiblenetwork.ai/learn/nptel/112106179/3a90b237c300) (Video)
42. [Micro and Nano stages, Nano technology instrumentation](https://invisiblenetwork.ai/learn/nptel/112106179/a2f908829003) (Video)
43. [Optical system design](https://invisiblenetwork.ai/learn/nptel/112106179/063e648a2615) (Video)
44. [Complex opto- mechanical assemblies, Metrology testing and certification services](https://invisiblenetwork.ai/learn/nptel/112106179/338c2aedc9ac) (Video)