HomeAuthorsPosts by Sundareswaran Iyalunaidu

Sundareswaran Iyalunaidu

With over 24 years of dedicated experience, I am a seasoned professional specializing in the commissioning, maintenance, and installation of Electrical, Instrumentation and Control systems. My expertise extends across a spectrum of industries, including Power stations, Oil and Gas, Aluminium, Utilities, Steel and Continuous process industries. Tweet me @sundareshinfohe
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Instrumentation Calculators

Thermocouple Color Code and EMF Calculator for Instrumentation Engineers

Table of ContentsThermocouple Color Code and EMF Calculator for Instrumentation EngineersWhat Is a Thermocouple Color Code and EMF Calculator?Why Thermocouple Wire Color and Polarity MatterHow to Use the Thermocouple EMF CalculatorThermocouple EMF Calculation FormulaType K Thermocouple EMF Calculation ExampleHow to Interpret Thermocouple EMF Calculator...
Procedures

RTD Checking With a Multimeter: Three Tests, Resistance Calculation and Troubleshooting

Table of ContentsWhat Is an RTD and How Does It Work?Tools Required for RTD Testing and Safety PrecautionsThree Important Checks for RTD Testing With a MultimeterHow to Test an RTD With a Multimeter Step by StepPT100 Resistance Versus Temperature TableHow to Test Two Wire,...
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DIY Projects

DHT Sensor Interface with Serial LCD Interface using Arduino UNO

Table of ContentsStatement of the ProblemSchematic of Interfacing DHT Sensor with Serial LCD using...
Industrial Automation

Stepper Motor Working Principle

Table of ContentsConstruction of stepper motorWorking Principle of stepper motor Components of a Stepper MotorTypes...
PLC

How to Choose the Best Safety PLC for Your Industry

Table of ContentsIntroductionHow do you compare Safety PLC and Standard PLC?Safety PLC vs. Regular...
Interview Questions

Instrumentation Engineering Standards Interview Questions and Answers

Table of ContentsIngress Protection (IP) Standards Questions and AnswersQuestions & Answers on ATEX StandardsQuestions...
Calibration

LVDT Testing and Calibration

Table of ContentsPurpose and ScopeTools Required for LVDT CalibrationSafety Tips while Handling LVDTCalibration SetupRecording...
Checklist

LVDT Maintenance Procedure with Checklist

Table of ContentsStep 1: Visual InspectionStep 2: Electrical TestingStep 3: Operational TestingStep 4: DocumentationAdditional...
SIS/ESD

Safety Instrumented System(SIS) Interview Questions and Answers

Table of Contents1.What is a Safety Instrumented System (SIS)?2.What is a Safety Instrumented Function...
Analytical Instrumentation

Exploring Process Analyzers: Principles, Installation, Calibration & Troubleshooting

This article provides insights into liquid and gas analyzers, viscosity and density analyzers, calibration,...
Interview Questions

Safety PLC Interview Questions and Answers

Table of Contents1.What is the purpose of a Safety PLC?2.What distinguishes a safety PLC...
Instrumentation Calculators

Linear Variable Differential Transformer (LVDT) Output Voltage Calculator

Table of ContentsWhat is the voltage output of a LVDT?What is LVDT Sensitivity?Definition...
Level Measurement

Understanding the Factors Influencing the Accuracy of Ultrasonic Level Measurement

Table of ContentsIntroduction to Ultrasonic AccuracyWhat are the external factors influencing on accuracy of...
DIY Projects

Distance Measurement Using Ultrasonic Sensor with Arduino UNO

Table of ContentsStatement of the ProblemSchematic Of Interfacing Ultrasonic Sensor And Lcd With ArduinoConnection...
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Latest articles

Instrumentation Calculators

Thermocouple Color Code and EMF Calculator for Instrumentation Engineers

Table of ContentsThermocouple Color Code and EMF Calculator for Instrumentation EngineersWhat Is a Thermocouple...
Procedures

RTD Checking With a Multimeter: Three Tests, Resistance Calculation and Troubleshooting

Table of ContentsWhat Is an RTD and How Does It Work?Tools Required for RTD...
SIS/ESD

Inhibit vs Bypass in Process Plants: DCS, PLC and ESD/SIS Differences

Table of ContentsWhy Understanding Inhibit vs Bypass in Process Plants MattersWhat Is an Inhibit...
Instrumentation Calculators

Advanced Instrument Air Compressor Interlock Logic and Control Quiz for Automation and Instrumentation Professionals

Instrument Air Compressor Interlock Logic Quiz Introduction Instrument air compressors are critical utility equipment controlled...