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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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Calibration

Temperature Controller Calibration Procedure

Table of Contents7 Steps Procedure for Calibration of Temperature ControllerStep 1: Prepare the tools...
Instrumentation Calculators

Calibration Test Points Calculator: LRV, URV and Test Point Calculation

Calibrating instruments is a crucial aspect of ensuring accurate and reliable measurements in various...
Interview Questions

Profibus Interview Questions and Answers

In industrial automation, Profibus is an essential standard for ensuring seamless device communication. Examine...
Instrumentation

Difference Between Intrinsically Safe and Explosion-Proof

Table of ContentsIntrinsic Safety Vs. Explosion ProofWhat is Intrinsically Safe?Definition and Certification of Intrinsically...
Calibration

6 Steps Guide to Selecting a Master Instrument for Calibration

Table of ContentsOverviewStep 1: Range CompatibilityStep 2: Unit AlignmentStep 3: Least Count PrecisionStep 4:...
Pressure Measurement

Factors that Influence the Accuracy of your Pressure Transmitter

Table of ContentsUnderstanding the Basics:Surrounding Temperature and Process Media Temperature:Static PressureChanging the Scale of...
Calibration

Instrument Calibration Procedures

Table of ContentsFind the Right Instrument Calibration ProcedurePressure Instrument Calibration Procedures: Transmitters, Gauges, and...
Interview Questions

Profibus Interview Questions and Answers

Profibus is a vital fieldbus communication standard in automation, ensuring seamless interaction among devices....
Instrumentation Calculators

Instrument Accuracy Calculator

Table of ContentsInstrument Accuracy Calculator: Calculating Accuracy in Engineering UnitsDefinition of Instrument AccuracySignificance of...
PLC

How to use Different Math Functions using the Siemens TIA Portal – Part 2

Table of ContentsSize of Data Type Used by the Different Math Functions in Siemens...
Instrumentation

Key Considerations for Pressure Transmitter Manifold Selection

Table of ContentsOverviewImportance of Pressure Transmitter ManifoldsTypes of Manifold ValvesFactors to Consider When Choosing...
PLC

How to use Different Math Functions using the Siemens TIA Portal – Part 1

Table of ContentsMath Function’s Part ISize of Data Type Used by the Different Math...
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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...
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...