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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Engineering

Relief Valve Datasheet in Under 10 Minutes: 7 Must-Know Definitions

Table of ContentsImage 1: Sectional View of a Spring-Loaded Safety Relief ValveHow a Spring-Loaded Relief Valve Works7 Must-Know Definitions in Relief Valve DatasheetsDefinition 1: Built-Up BackpressureDefinition 2: Superimposed BackpressureDefinition 3: Total BackpressureDefinition 4: Cold Differential Test Pressure (CDTP)Definition 5: Set PressureDefinition 6: Re-seating PressureDefinition...
Instrumentation Calculators

PSIA to PSIG Conversion Calculator

Table of ContentsUnderstanding PSIA (Pounds per Square Inch Absolute)Understanding PSIG (Pounds per Square Inch Gauge)What is Atmospheric Pressure?PSIA to PSIG Conversion FormulaExample Conversion:PSIA to PSIG Conversion CalculatorWhy Accurate PSIA to PSIG Conversion MattersApplications Where PSIA is MandatoryErrors Due to Incorrect Unit PSIA with PSIG...
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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:...
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...
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Engineering

Relief Valve Datasheet in Under 10 Minutes: 7 Must-Know Definitions

Table of ContentsImage 1: Sectional View of a Spring-Loaded Safety Relief ValveHow a Spring-Loaded...
Instrumentation Calculators

PSIA to PSIG Conversion Calculator

Table of ContentsUnderstanding PSIA (Pounds per Square Inch Absolute)Understanding PSIG (Pounds per Square Inch...
Automation

Understanding Differences of SIS, PLC, and BPCS in Industrial Automation

Table of ContentsWhat are SIS, PLC, and BPCS?What is SIS (Safety Instrumented System)?What is...
Instrumentation Calculators

Mass Flow Unit Conversion: Pounds per Hour (lb/h) to Kilograms per Hour (kg/h)

Engineers, plant operators, and technical professionals can use this Flow Unit Conversion Calculator to...

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