Measurement & Metrology

Measurement & Metrology is a subject of mechanical engineering, Metrology is the science of measurement. Metrology includes all theoretical and practical aspects of measurement. The App covers the subject in detail.

The app is a handbook covering lecture notes, definitions, concepts, diagrams, formulas, theory, laws, tools, equations, calculations and graphs on the subject. The App covers the topic in a flashcard like format, purpose of the App is faster learning and revisions of the subject.

It covers more than 120 topics of Measurement and Metrology in detail. The topics are divided in 4 units.
Some of topics Covered in this application are:

1. The Multiple Gauge Bridge
2. Fixed Point Temperatures and Interpolation
3. Liquid-in-Glass Thermometers
4. Bimetallic Thermometers
5. ELECTRICAL RESISTANCE THERMOMETRY
6. Resistance Temperature Detectors
7. Resistance Temperature Device Resistance Measurement
8. Thermistors
9. THERMOELECTRIC TEMPERATURE MEASUREMENT
10. Fundamental Thermocouple Laws
11. INTRODUCTION TO MEASUREMENT
12. Basic Temperature Measurement with Thermocouples
13. MEASUREMENT UNITS
14. STANDARD MEASURING UNITS
15. DERIVED UNITS
16. MEASUREMENT SYSTEM APPLICATIONS
17. ELEMENTS OF A MEASUREMENT SYSTEM
18. CHOOSING APPROPRIATE MEASURING INSTRUMENTS
19. GENERALIZED MEASURING SYSTEM
20. PRESSURE CONCEPTS
21. SOURCES OF ERROR
22. SOME DEFINITIONS IN MEASUREMENTS
23. EFFECT OF HYSTERESIS ERROR OVER ACCURACY
24. McLeod Gauge
25. LINEARITY ERROR/ZERO ERROR
26. CALIBRATION
27. STATIC AND DYNAMIC PERFORMANCE CHARACTERISTICS OF MEASUREMENT DEVICES
28. ACCURACY, PRECISION, AND BIAS
29. PRESSURE TRANSDUCERS
30. Bourdon Tube
31. Bellows and Capsule Elements
32. Diaphragms
33. Strain Gauge Elements
34. Capacitance Elements
35. Piezoelectric Crystal Elements
36. SIGNAL TRANSMISSION
37. CURRENT LOOP TRANSMISSION
38. PRESSURE TRANSDUCER CALIBRATION
39. OPTICAL WIRELESS TELEMETRY
40. RADIO TELEMETRY
41. DIGITAL TRANSMISSION PROTOCOLS
42. SENSORS AND TRANSDUCERS
43. MECHANICAL CHARACTERISTICS OF SENSORS
44. MECHANICAL LIMIT SWITCHES
45. PROXIMITY LIMIT SWITCHES
46. PHOTOELECTRIC SENSORS
47. STRESS AND STRAIN
48. FLUID FLOW SWITCH
49. TRANSDUCERS
50. LINEAR VARIABLE DIFFERENTIAL TRANSFORMERS
51. RESOLVERS
52. OPTICAL ENCODERS
53. Lateral Strains
54. ULTRASONIC RANGE SENSORS
55. VELOCITY TRANSDUCERS
56. TACHOMETERS
57. FORCE OR PRESSURE TRANSDUCERS
58. STRAIN GAGES
59. TEMPERATURE TRANSDUCERS
60. RESISTANCE-TEMPERATURE DETECTORS (RTD)
61. THERMISTORS
62. Metallic Gauges
63. STRAIN GAUGE ELECTRICAL CIRCUITS
64. APPARENT STRAIN AND TEMPERATURE COMPENSATION
65. Temperature Compensation
66. Bridge Static Sensitivity
67. Analysis of Strain Gauge Data
68. Signal Conditioning
69. Basic Characteristics of Light
70. METROLOGY
71. METROLOGY AND INSPECTION
72. Moir e Methods
73. STANDARDS OF LINEAR MEASUREMENT
74. LINE AND END STANDARDS
75. LIMIT
76. FITS
77. TOLERANCES
78. INTERCHANGEABILITY
79. STANDARISATION
80. LINEAR MEASUREMENTS DEVICES
81. ANGULAR MEASUREMENTS DEVICES
82. SYSTEMS COMPARATORS
83. SYSTEMS COMPARATORS: SIGMA
84. JOHANSSON’S MICROKRATOR
85. LIMIT CLASSIFICATION
86. GAUGES CLASSIFICATION
87. TAYLOR’S PRINCIPLE OF GAUGE DESIGN
88. Measurement of geometric forms
89. MEASUREMENT OF GEOMETRIC STRAIGHTNESS
90. FLATNESS
91. ROUNDNESS
92. TOOL MAKERS MICROSCOPE
93. PROFILE PROJECT
94. AUTOCOLLIMATOR
95. INTERFEROMETRY
96. PRINCIPLE OF INTERFEROMETRY
97. USE OF INTERFEROMETRY
98. OPTICAL FLAT
99. MEASUREMENT OF SCREW THREADS

Some common standards in Measurement & Metrology include:

ISO 17025:2005 - General Requirements for Calibration Laboratories
ISO 9000 - Quality Systems Management
ISO 14000 - Environmental Management

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