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Saturday, 1 June 2019

Electrical Measurements and Measuring Instruments

Electrical Measurements and Measuring Instruments

Electronic Measurement

Units and Measurements in Instrumentation
Rules for Writing Symbols of Units
Standards for Measurement
Terminologies used in Measurement


Multimeter Introduction
Sensitivity of Ammeter with Formula
Extension of Range of Ammeter
Multi Range Ammeter with Circuit
Voltmeter | Multi Range Voltmeter
Rectifier type of Instrument
Rectifier Type Ammeter
Rectifier Type Voltmeter
Series Type Ohmmeter and Shunt Type Ohmmeter
Multi-Meter – Specifications, Diagram and Working
Electronic Test Meters
Advantages of Electronic Voltmeter
Electronic Voltmeter using FET
Electronic Voltmeter Using Transistor - FET and BJT
Measurement of Alternating Current and Voltage
Digital Voltmeter - Advantages, Features, Principle
Single Slope (RAMP) Converter
Dual Slope Converter Type of DVM
Successive Approximation Type Digital Voltmeter
Specifications of Digital Multimeter
Digital Panel Meter with Block Diagram
Digital Multimeter Block Diagram Explanation
Probes for Multimeter

Cathode Ray Oscilloscope

Cathode Ray Oscilloscope with Block Diagram
Cathode Ray Tube Construction and Working
Electrostatic Focusing in CRT
Electrostatic Deflection in CRT
Beam Transit Time and Deflection Plates in CRT
Fluorescent Screen in CRT
Vertical Deflection System in CRO
Input Attenuator in CRO
Vertical Amplifier with Block Diagram
Delay Line in CRO
Types of Delay Line in CRO
Horizontal Deflection System in CRO
Triggered Sweep in CRO
CRO Synchronization
Horizontal Amplifier Block Diagram
Different Types of CRO Probes
Dual Trace CRO Working and Block Diagram
Dual Beam Oscilloscope Block Diagram
Storage Oscilloscope Notes
Working Principle of Sampling Oscilloscope
Advantages of Digital Storage Oscilloscope
Specifications of CRO and their Significance
CRO and its Applications
CRO Front Panel Controls
Procedure for Operation of CRO
Deflection Sensitivity of CRT
Measurement of Voltage and Current using CRO
Measurement of Frequency using CRO
Measurement of Phase using CRO

Power Meters

Audio Frequency Power Meter
RF Power Measurement using Thermocouple Instrument
Bolometer Method of Power Measurement

AC Millivoltmeter

AC Millivoltmeter Block Diagram
Rectifier Amplifier Type AC Millivoltmeter

Signal Generators

Signal Conditioners in Instrumentation
Audio Frequency Oscillator Working
AM Signal Generator
Alignment of Radio Receiver
AM/FM Signal Generator Block Diagram and Working
Function Generator Block Diagram Explanation
Pulse Generator Block Diagram and Explanation
Amplitude, Frequency and Phase Distortion
Measurement of Distortion


Bridges in Electronic Instrumentation
Wheatstone Bridge Design and Working
Maxwell Bridge, Advantages and Disadvantages
Hay Bridge Derivation
Measurement of Inductance
Schering Bridge with Formula
Wien Bridge and Resonance Bridge
Universal Impedance Bridge
Errors and Precautions in Using Bridge Circuits
Wagner Ground Connection
Digital LCR Meter Block Diagram and Working
Q Meter Block Diagram and Working


Open Loop and Closed Loop Control System
Examples of Open Loop and Closed Loop Control System
Manually Controlled Closed Loop System
Automatic Room Temperature Control
Comparison between Open and Closed Loop Control System
Data Acquisition System with Block Diagram
Classification, Elements, Configuration of Data Acquisition System
Signal Conditioning Methods
Single Channel Data Acquisition System
Multi Channel Data Acquisition System
Analog and Digital Data Acquisition Systems

Power Supplies

Power Supplies Introduction
Power Supply Characteristics
Regulated Power Supply Specifications
Load Regulation Formula
Testing of Regulated Power Supply
Transistor Series Voltage Regulator Theory
Transistor Shunt Voltage Regulator Working
Regulated Power Supply with Short Circuit Protection
Universal Counter Block Diagram
Frequency and Period Measurement using Universal Counter

Data Recorders

Data Recorders Introduction
Galvanometric Recorders
Potentiometric Recorder
Strip Chart Recorder with Block Diagram
Circular Chart Recorder with Diagram
XY Recorder Block Diagram & Working
Tape Recorder Working Principle
Parameters in Magnetic Recording on Tape
Methods of Recording in Instrumentation
B-H Curve for Magnetic Material
FM Recording Block Diagram and Working
Digital Data Recording System

Digital Controller System

Digital Process Controller
Digital Processing
Direct Digital Control Block Diagram
Computer Supervisory Control System

Spectrum Analyzer and Logical Analyzer

Spectrum Analyzer Block Diagram
Logic Analyzer Block Diagram

To be continued...

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