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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

Measurement Uncertainty Calculator: Calculate Combined and Expanded Uncertainty Using GUM

Measurement Uncertainty Calculator - GUM Method #muc-wrap, #muc-wrap * { box-sizing: border-box !important; } #muc-outer { background: #eef2f8 !important; background-image: linear-gradient(rgba(15,23,42,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(15,23,42,0.045)...
SIS/ESD

Shutdown Philosophy: Engineering Documentation for Process Safety and Emergency Shutdown Systems

Table of ContentsWhat is Shutdown Philosophy and Why is it Important? What Is a Shutdown Philosophy in Process Safety?Why Is Shutdown Philosophy Important in Engineering Projects?What Is the Shutdown Level Hierarchy?How Is a Shutdown Philosophy Developed?What Should a Shutdown Philosophy Document Include?Shutdown Philosophy and Cause...
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Instrumentation

How do you handle non-linearities in your instrumentation measurements?

Table of ContentsWhat is Non-linearity in Instrumentation?Some Common Techniques to Handle Non-linearities in Instrumentation...
DIY Projects

Automated Watering System for Plants Using Arduino UNO

Table of ContentsStatement of the ProblemSchematic of Interfacing Soil Moisture Sensor and Servo Motor...
PLC

How to use Different CONVERSION Instruction in Siemens TIA Portal 

Table of ContentsDifferent CONVERSION Instructions of PLC Ladder Logic used in Siemens TIA PortalDeclaration...
PLC

How to use Different MOV BLOCK in Siemens TIA Portal – Part 1

Table of ContentsMOVE Block's Part 1Different MOVE Blocks of PLC Ladder Logic used in...
Fire & Gas

Understanding Lower Explosive Limit (LEL)

Table of ContentsWhat is a Lower Explosive Limit (LEL)?What is a Flammable Range or...
Calibration

Temperature Controller Calibration Procedure

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

Online Calibration Test Points Value Calculator

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

Free Instruments Calibration Procedures: 60+ Step-by-Step Methods for Pressure, Temperature, Flow & Level

Table of ContentsPressure Instrument Calibration Procedures: Transmitters, Gauges, and SwitchesTemperature Instrument Calibration Procedures: RTDs,...
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Instrumentation Calculators

Measurement Uncertainty Calculator: Calculate Combined and Expanded Uncertainty Using GUM

Measurement Uncertainty Calculator - GUM Method #muc-wrap, #muc-wrap * { box-sizing: border-box !important;...
SIS/ESD

Shutdown Philosophy: Engineering Documentation for Process Safety and Emergency Shutdown Systems

Table of ContentsWhat is Shutdown Philosophy and Why is it Important? What Is a Shutdown...
Procedures

Hydraulic System Pressure Switch Troubleshooting: Step by Step Safe Procedure

Table of ContentsWhat Is a Hydraulic Pressure Switch and How Does It Work?Hydraulic Pressure...
Instrumentation Questions

Advanced PLC Interlock Troubleshooting Quiz for Process Industries | 25 Practical PLC Diagnostics Questions for Instrumentation and Automation Engineers

Why PLC Interlock Troubleshooting Matters in Modern Process Industries  Modern process industries depend on reliable...