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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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Engineering

FRL Unit Selection Procedure for On Off Instrumentation Control Valves

Table of ContentsWhat Is an FRL Unit in Pneumatic On Off Control Valve Service?Why FRL Selection Matters for On Off Control Valve ApplicationsApplication Background of FRL Units in Pneumatic Valve PackagesStep by Step FRL Selection ProcedureStep 1. Identify the Valve and Actuator TypeStep 2....
Instrumentation Calculators

Advanced HART Loop Calculator for Reliable 4 to 20 mA and HART Communication

Table of ContentsWhat Is a HART Loop Calculator and Why It Matters in Field InstrumentationWhy HART Loop Calculation Is Important for Process IndustriesHow HART Communication Works in a 4 to 20 mA LoopWhy Voltage Headroom Matters for Reliable Device OperationUnderstanding Loop Resistance, Voltage Drop,...
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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

6 Factors to Consider When Choosing an Oxygen Analyzer for your Application

Table of ContentsFactor No.1: Oxygen Concentration LevelFactor No.2: Entire Gas Mixture CompositionFactor no.3: Environmental...
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

Engineering

FRL Unit Selection Procedure for On Off Instrumentation Control Valves

Table of ContentsWhat Is an FRL Unit in Pneumatic On Off Control Valve Service?Why...
Instrumentation Calculators

Advanced HART Loop Calculator for Reliable 4 to 20 mA and HART Communication

Table of ContentsWhat Is a HART Loop Calculator and Why It Matters in Field...
Engineering

Marshalling Panel vs Junction Box vs System Cabinet: Complete Guide for Instrumentation and Control Engineers

Table of ContentsUnderstanding the Difference Between Junction Box, Marshalling Panel, and System Cabinet Why Junction...
Instrumentation Questions

Preparation of IO List Documentation in EPC Engineering in Process Industries: Advanced Quiz for Instrumentation and Control Engineers

Why IO List Documentation Matters in EPC Engineering Projects  The IO list is the heart...