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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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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Industrial Automation

Ingress Protection IP and NEMA Ratings: Selecting the Right Enclosure for Your Application

Table of ContentsWhat is Ingress Protection (IP)  Purpose Ingress Protection (IP)Structure of Ingress Protection (IP)...
Instrumentation Questions

PLC (Programmable Logic Controller) Knowledge Quiz

Welcome to the PLC (Programmable Logic Controller) Quiz! This quiz is designed to test...
Control Valve

Control Valve Leakage Testing, Types, and Calculation Standards

Table of ContentsClassification of Control Valve LeaksLeakage Tests & Calculations in a Control ValveTypical...
How to

Choosing Between Thermocouples and RTDs: A Practical Guide for Temperature Sensing

Table of ContentsBasics of Resistance Temperature Detectors (RTDs)Advantages and Disadvantages of Resistance Temperature Detectors...
Instrumentation Tools

Pressure Safety Valve Sizing Excel Tool for Gas Applications

Table of ContentsAPI 520 Relief Valve SizingCritical Flow Safety Valve SizingSizing Safety Valves for...
SIS/ESD

Understanding 2 out of 2 SOV: Working & Configuration

Table of ContentsUnderstanding the Need for RedundancyIntroducing 2 out of 2 SOV RedundancyConfiguration and...
Process Control

Wellhead Control Panel (WHCP): Working Principle, Components, Types, Design and FAQs

Table of ContentsWhat is a Well Head Control Panel (WHCP)?Principle of Well Head Control...
Installation Procedure

Step by Step Pressure Transmitter Installation Procedure

Table of ContentsSection No.1: Pre-Installation PlanningSection No.2: Mounting the TransmitterSection No.3: Impulse Piping InstallationSection...
Installation Procedure

Motor-Operated Valve Actuator Installation Procedure with Checklist

Table of ContentsPre-Installation Considerations for MOV ActuatorPre-Installation Inspection of MOVMOV PreparationMOV Actuator InstallationElectrical...
PLC

Understanding Wet Contacts in PLC Wiring

Table of ContentsWet Contact ConfigurationsUnderstanding Digital Input Wet Contact Wiring in PLC What is Interrogation...
Temperature Measurement

How to Select the Right Thermocouple for Temperature Measurement Applications?

Table of ContentsFactor No.1: Temperature RangeFactor No.2: Thermocouple TypeFactor No.3: Accuracy and PrecisionFactor No.4:...
Instrumentation Calculators

Cv to Kv Conversion Calculator (Control Valve Flow Coefficient Formula + Example)

Table of ContentsCv to Kv Conversion CalculatorCv to Kv Conversion Calculator (Instant Results)How to...
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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...