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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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Instrumentation Calculators

Square Root Extraction Signal to Linear Signal Converter: 4-20mA, 3-15 Psi, 1-5 Volt Signals

In various industrial applications, square root extraction signals are often employed to represent physical...
Control System

Understanding Complementary Split Range Control (CSRC)

Table of ContentsWhat is Complementary Split Range Control (CSRC)?Example Scenario: Temperature Control in a...
Analytical Instrumentation

Understanding ORP Analyzer: Principles, Measurement, and Applications in Industry

Table of ContentsWhat is ORP?OxidationReduction Oxidation-Reduction Potential (ORP) Analyzer Measuring Scale Understanding ORP and the Nernst...
Control Valve

How to Choose Right control Valve Bonnet for your Application?

Table of ContentsFunctions of Control Valve BonnetsChoose Right control Valve Bonnet for your ApplicationFactor...
Instrumentation Calculators

Linear to Square Root Extraction Signal Converter: 4-20mA, 3-15 Psi, 1-5 Volt Signals

In certain applications, pressure measurements are utilized to indirectly determine other variables, such as...
Analytical Instrumentation

Conductivity Transmitter / Analyzer Preventive Maintenance Guide & Checklist

Table of ContentsStep By Step Preventive Maintenance Procedure for Conductivity Transmitter / AnalyzerStep No.1:...
Analytical Instrumentation

Exploring Tunable Diode Laser Spectrometer (TDLS): Components, Principles, and Industrial Applications for Gas Measurement

Table of ContentsTunable Diode Laser Spectrometer (TDLS)Principle of Absorption SpectroscopyComponents of Tunable Diode Laser...
Control Valve

How to Troubleshoot On-Off / Shutdown Valve

Table of ContentsProblem No.1: On-Off Valve Feedback output signal IssueProblem No.2: On-Off Valve is...
Calibration

9 Step Zirconia Oxygen Analyzer Calibration Procedure

Table of ContentsWhat is Zirconia Oxygen Analyzer?Working Principle of Zirconia Type Oxygen AnalyzerWhy Calibration...
Engineering Standards

Codes and Standards for Control Valve Selection in Industrial Applications

Table of ContentsASME (American Society of Mechanical Engineers)ANSI/FCI (American National Standard Institute/Fluid Control Institute)IEC...
Instrumentation

Control Valve Flow Coefficient (Cv) in Industrial Applications

Table of ContentsDefinition of Valve Flow Coefficient (Cv)Significance of Cv in EngineeringStep-by-Step Guide to...
SAT Activities

Site Acceptance Test (SAT) Procedure for PLC Systems

Table of ContentsSection 1: Overview of SAT for PLC SystemsSection 2: Pre-SAT PreparationSection 3:...
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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...