Electrical Measurements

About Electrical Measurements

The app is a complete free handbook of Electrical Measurements which covers important all topics with detailed notes, diagrams, equations, formulas & course material.

It covers over 120 topics of Electrical Measurements and Measuring Instruments. The topics are divided in 5 units.

The App is designed for quick learning, revisions, references at the time of exams and interviews.

This app cover most of related topics and Detailed explanation with all the basics topics. Be a professional with this app.

Some of topics Covered in this application are:

1. Introduction to measuring instruments and Classification of Measuring Instruments
2. Deflecting System
3. Controlling System
4. Spring Control
5. Comparison of Controlling Systems
6. Damping System
7. Air Friction Damping
8. Fluid Friction Damping
9. D'Arsonval Galvanometer
10. Torque Equation
11. Intrinsic Constants of Galvanometer
12. Dynamic Behaviour of Galvanometer
13. Underdamped Motion
14. Undamped Motion
15. Critically Damped Motion
16. Overdamped Motion
17. logarithmic Decrement
18. Settling Time
19. Effect of External Resistance on Damping
20. Sensitivity of Galvanometer
21. Permanent Magnet Moving Coil Instruments (PMMC)
22. Taut Band instrument
23. Moving Iron Instruments
24. Errors in Moving Iron Instruments
25. Basic D.C. Ammeter
26. Multirange Ammeters
27. The Aryton Shunt or Universal Shunt
28. Basic D.C. Voltmeter
29. Multirange Voltmeters
30. Sensitivity of Voltmeters
31. Loading Effect, Precautions to be taken while using a Voltmeter, Requirements of a Multiplier and Ammeter and Voltmeter
32. Electrostatic Instruments
33. Types of Electrostatic Voltmeters
34. Idiostatic Connection
35. Kelvin Multicellular Voltmeter
36. Attracted Disc Electrostatic Voltmeter
37. Extension of Range of Electrostatic Instruments
38. Instrument Transformers
39. Current Transformers (C.T.)
40. Construction of Current Transformers
41. Potential Transformers (P.T.)
42. Ratios of Instrument Transformers
43. Theory of Current Transformers
44. Derivation of Actual Ratio
45. Derivation of Phase Angle ( θ ) of Transformer
46. Errors in Current Transformer
47. Theory of Potential Transformers
48. Difference between Instrument and Power Transformers
49. Power Factor Meters
50. Moving Iron Power Factor Meter
51. Frequency Meters
52. Weston Frequency Meter
53. Phase Sequence Indicators
54. Synchroscopes
55. Introduction to Tariff
56. Electrodynamometer or Weston Type Synchroscope
57. Moving Iron Synchroscope
58. Introduction to Power Measurement
59. A. C. Power
60. Electrodynamometer Type Instruments
61. Torque Equation
62. Single Phase Dynamometer wattmeter
63. Shape of Scale of Dynamometer wattmeter
64. Error due to Pressure Coil Inductance
65. Low Power Factor Electrodynamics Type wattmeter
66. Power In Three Phase System
67. Single or One wattmeter Method
68. Three wattmeter Method
69. Blondel's Theorem
70. Power Factor Calculation by Two wattmeter Method
71. Modified Version of 2 wattmeter Method as One wattmeter Method
72. One wattmeter Method for Reactive Volt-amperes Measurement
73. Extension of Range of wattmeter using Instrument Transformers
74. Phasor Diagrams and Correction Factors
75. Three Phase wattmeter
76. Measurement of Energy
77. Construction of Energy meter
78. Theory of Single Phase Induction Type Energy meter
79. Errors and Compensations
80. Light Load Adjustment or Friction Adjustment
81. Three Phase Energy meter
82. Use of C.T and PT. in Energy Measurement


This app will useful for quick reference. The revision of all concepts can be finished within Several hour using this app.

Instead of giving us a lower rating, please mail us your queries, issues and give us valuable Rating And Suggestion So we can consider it for Future Updates. We will be happy to solve them for you.