NOC:Electrical Measurement and Electronic Instruments


Lecture 1 - PMMC Instruments


Lecture 2 - Electrodynamic Instrument


Lecture 3 - Demonstration of PMMC and Electrodynamic Instruments


Lecture 4 - Features of PMMC and Electrodynamic Instruments


Lecture 5 - Moving Iron Instruments


Lecture 6 - Demonstration of Moving Iron Instrument


Lecture 7 - Electrostatic Instrument


Lecture 8 - Derivation of Deflecting Torque in Electrodynamic, Electrostatic and Moving Iron Instrument


Lecture 9 - Damping and Eddy Current Damping


Lecture 10 - Dynamics of the Moving Coil and Damping


Lecture 11 - Dynamics of the Moving Coil and Damping (Continued...)


Lecture 12 - Ballistic Galvanometer


Lecture 13 - Ammeter - I


Lecture 14 - Ammeter - II


Lecture 15 - Voltmeter


Lecture 16 - Ohmmeters - I


Lecture 17 - Ohmmeters - II


Lecture 18 - Rectifier based Voltmeters and Ammeter - I


Lecture 19 - Rectifier based Voltmetesr and Ammeter - II


Lecture 20 - Resistance measurement with a Voltmeter and an Ammeter


Lecture 21 - Four-Terminal Resistance


Lecture 22 - Problems: Four Terminal Resistance


Lecture 23 - Error Calculation


Lecture 24 - Sensitivity, Accuracy, and Resolution of Wheatstone Bridge


Lecture 25 - Kelvin Double Bridge


Lecture 26 - High Resistance Measurement


Lecture 27 - Wattmeter Connection and Compensated Wattmeter


Lecture 28 - Single Phase Energy Meter


Lecture 29 - Demonstration: 1. Eddy Current Braking 2.Creation of Magnetic Field Without Moving Objects


Lecture 30 - Single Phase Energy Meter (Continued...)


Lecture 31 - Connection of Energy Meter, Wattmeter, and Three Phase Supply


Lecture 32 - DC Potentiometer


Lecture 33 - AC Potentiometer


Lecture 34 - Polar potentiometer and phase shifter


Lecture 35 - Polar potentiometer


Lecture 36 - Co-ordinate potentiometer


Lecture 37 - Kelvin-Varley potential divider


Lecture 38 - Impedance measurement


Lecture 39 - AC bridges - I


Lecture 40 - AC bridges - II


Lecture 41 - AC bridges - III


Lecture 42 - Current transformer and potential transformer


Lecture 43 - Review of transformer and magnetic circuit


Lecture 44 - Errrors in Instrument ransformer


Lecture 45 - Flux density measurement with Ballistic Galvanometer


Lecture 46 - Flux density measurement with Ballistic Galvanometer (Continued...)


Lecture 47 - Background: From Flip Flop to Counters - I


Lecture 48 - Background: From Flip Flop to Counters - II


Lecture 49 - Background: Operational Amplifiers - I


Lecture 50 - Background: Operational Amplifiers - II


Lecture 51 - Background: Operational Amplifiers - III


Lecture 52 - Background: Operational Amplifiers - IV


Lecture 53 - Inverting amplifier versus Schmitt Trigger


Lecture 54 - Non-inverting amplifier versus Schmitt Trigger


Lecture 55 - Difference amplifier - I


Lecture 56 - Difference amplifier - II


Lecture 57 - Difference amplifier - III


Lecture 58 - Digital frequency meter


Lecture 59 - Digital frequency meter and Schmitt Trigger


Lecture 60 - Schmitt Trigger


Lecture 61 - Schmitt Trigger


Lecture 62 - Digital frequency meter


Lecture 63 - Linear ramp type digital voltmeter


Lecture 64 - Dual slope digital voltmeter - I


Lecture 65 - Dual slope digital voltmeter - II


Lecture 66 - Dual slope digital voltmeter and Integrator circuit


Lecture 67 - Digital ramp type voltmeter


Lecture 68 - Digital ramp type voltmeter and Successive approximation type voltmeter


Lecture 69 - ADC and DAC - I


Lecture 70 - ADC and DAC - II


Lecture 71 - Why we need electronic Instruments


Lecture 72 - Instruments with op-amp based amplifiers - I


Lecture 73 - Instruments with op-amp based amplifiers - II


Lecture 74 - Instruments with op-amp based amplifiers - III


Lecture 75 - Instrumentation Amplifier


Lecture 76 - Function generator


Lecture 77 - 555-Timer circuit


Lecture 78 - Astable and monostable oscillator circuits


Lecture 79 - Pulse generator


Lecture 80 - Oscilloscope - I


Lecture 81 - Oscilloscope - II


Lecture 82 - Emitter follower voltmeter


Lecture 83 - Linear ohmmeter


Lecture 84 - Ramp generator