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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Instrumentation Tools

Reynolds Number Calculator: A Practical Excel Tool

Table of ContentsWhat is the Reynolds number?Excel Tool for Reynolds Number (Downloadable)How to Use...
How to

How to Read Control Valve Hookup Drawings?

Table of ContentsStep-by-Step Procedure interpreting hookup drawingStep 1: Title Block and General InformationStep 2:...
Level Measurement

Submersible Level Transmitters: Applications, Working Principles, and Benefits

Table of ContentsWhat is Submersible Pressure Transmitter?Where Submersible measurement is preferred?How does a Submersible...
Checklist

50+Collection of Essential Instrumentation and Automation Control System Checklists

As more means of ensuring proper performance and reliability of an industrial process instrumentation...
Commissioning

Pressure Transmitter Commissioning Checklist 

Table of ContentsStep 1: Preliminary InspectionStep 2: Preparation for CommissioningStep 3: Safety MeasuresStep 4:...
SCADA

What is Safety Relay? Why is a Normal Electromechanical Relay not Considered Safe?

Table of ContentsWhat is a Safety Relay?Working Principle of a Safety RelayFault Detection of...
How to

RTD Testing Methods

Table of ContentsTest 1: Calibration of RTDTest 2: Insulation Resistance Test at Ambient TemperatureTest...
Instrumentation Calculators

Instrument Calibration Verification Calculator

Table of ContentsCalibration Verification CalculatorCalculator InputsCalculator OutputsFormula and Calculation Steps:Example Calculation for a 5-Point...
Instrumentation Questions

Quiz on Understanding PLC Hardware Components

This advanced PLC hardware components quiz is designed for professionals to test and enhance...
How to

Check List: How to Troubleshoot a Thermocouple?

Table of ContentsSafety PrecautionsTools and Equipment Required for Troubleshooting ThermocoupleRequired Drawings and DocumentationStep-by-Step Thermocouple...
Instrumentation Questions

MODBUS Protocol Quiz :Test Your Knowledge

Test your MODBUS protocol knowledge with this comprehensive quiz designed for automation professionals. This...
Calibration

Best Calibration Management Software

Table of ContentsWhat is a calibration management system?Factors to Consider When Choosing Calibration Management...
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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...