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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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Pressure Measurement

Pressure Gauge Failure: Causes, Solutions & Troubleshooting Guide

Table of ContentsFactor No.1: Mechanical VibrationFactor No. 2: PulsationFactor No. 3: Extreme TemperatureFactor No....
Calibration

Differences Between Validation and Calibration

Table of ContentsUnderstanding Validation and CalibrationValidation: Definition and PurposeCalibration: Definition and PurposePerforming Calibration and...
How to

Step By Step Troubleshooting Guide for Motorized Control Valve (MOV)

Table of ContentsProblem No.1: Actuator Motor Not StartingProblem No.2: Actuator Motor Running ContinuouslyProblem No.3:...
Flow Measurement

Understanding the Working Principle of Multivariable DP Mass Flow Transmitters

Table of ContentsWhat is a Multivariable Transmitter?Conventional Flow Calculation MethodsWorking Principle of DP Multivariable...
Interview Questions

Instrumentation and Control System Interview Questions and Answers

Welcome to our comprehensive collection of interview questions and answers covering various aspects of...
Analytical Instrumentation

How to Select an Oxygen Analyzer for Industrial Applications

Table of ContentsComparison of Industrial Oxygen Analyzer TechnologiesFactor No.1: Oxygen Concentration LevelFactor No.2: Entire...
How to

Troubleshooting of Oxygen Analyzer : Paramagnetic Type

Table of ContentsWhat is a Paramagnetic Oxygen Analyzer?Step by Step Troubleshooting Procedure for of...
How to

Collection of Preventive Maintenance (PM) Procedures for Instrumentation and Control Systems

Please find attached a complete guide on how to maintain instruments and control systems....
How to

Step by Step Preventive Maintenance Procedure for O2 Analyzers : Paramagnetic Type

Table of ContentsStep 1: Understanding Type of Paramagnetic O2 AnalyzersStep 2: Safety PrecautionsStep 3:...
Instrumentation Calculators

4 – 20 mA to 1 – 5V, 3 -15 Psi and 0.2 – 1.0 Bar Signal Conversion Calculator

Table of ContentsStep 1: 4 to 20 mA to 1 to 5V Signal Conversion...
Analytical Instrumentation

Oxygen Analyzer Working Principle: Paramagnetic Type

Table of ContentsUnderstanding the Paramagnetic Oxygen AnalyzerOperating Principles of Paramagnetic O2 Analyzers Magnetic Proportional Flow...
DIY Projects

Direction and Speed Control of DC Motor Using IR Remote Control

Table of ContentsStatement of the ProblemSchematic of DC Motor Interface with ArduinoCode for Interfacing...
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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...