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Interactive Guide to Temperature Instruments TempSense Guide Introduction Instrument Explorer Comparison Hub Application Guide IntroductionInstrument ExplorerComparison HubApplication Guide...
Flare Gas Flow Metering: Ultrasonic vs. Thermal Mass Flare Gas Flow Metering Systems A Comprehensive Analysis of Ultrasonic vs. Thermal Mass Technologies 1. The Challenge of Flare Gas Measurement...
Thermal Mass Flowmeter Principle for Flare Gas Comprehensive Guide: Thermal Mass Flowmeters (TMFM) Life-Cycle Principle, Design, Selection, and Field Management for Critical Applications like Flare...
Common Mistakes Engineers Make During Job Applications — How to Avoid Them Career Playbook for Engineers Common Mistakes Engineers Make During Job Applications — And Exactly How to Fix Them From...
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Instrument Hook-up MTO Generator Instrument MTO Generator Generate a Consolidated Material Take Off 1. Select Instruments & Quantities Add New Type Select All Deselect All Reset Generate...
Universal Instrument Datasheet — Final Self-Verification Checklist Universal Instrument Datasheet — Final Self-Verification Checklist Applies to pressure/temperature/flow/level transmitters; control...
I&C Project Deliverables Generator (Single-File) I&C Project Deliverables Generator Layout preserved. DCS IO: FEED → “Preliminary IO Schedule — DCS”; no DCS preliminary IO in Conceptual. 1)...
Interactive SIL Determination Application SIL Determination Hub Home Framework Calculator Lifecycle HomeFrameworkCalculatorLifecycle Understanding Functional Safety This application translates the...
Infographic: How to Choose the Right Flow Meter The Engineer’s Guide to Flow Measurement Choosing the right flow meter is critical for efficiency, safety, and profitability. This guide...
Transmitter Accuracy Checker (SI · O&G) Transmitter Accuracy Checker SI units · Oil & Gas · IEC/ISA lens · Accuracy threshold is derived from the selected model. 1) Select Instrument &...
SIL Risk Graph Calculator · IEC 61508 (C/F/P/W) SIL Risk Graph Calculator IEC 61508 C/F/P/W method. Choose levels and click Calculate to get the resulting SIL. (Orientation aid only; validate per your...
SIF PFDavg Calculator (1oo1, 1oo2, 2oo2, 2oo3) SIF PFDavg Calculator MVP Project Name SIF Tag Number Preparer Date λd Units FIT (failures / 109 hours)1/hr Changing this converts λd numbers in-place...
Interactive LOPA & SIL Determination Tool Interactive LOPA & SIL Determination Tool Section 1: Foundational Concepts of LOPA 1.1 The Philosophy of Defense-in-Depth The core principle...
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TÜV Rheinland vs. TÜV SÜD vs. exida: The Ultimate Functional Safety Certification Showdown (2025 Guide) In a world driven by automation, from sprawling chemical plants to the intelligent cruise...
Interactive Guide: 10 Steps to Engineering Excellence Shape Your Future 10 Structured Ways to Achieve Professional Excellence as an Oil & Gas Instrument Engineer Master Fundamentals Build an...
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Section Title
ISA 5.1 P&ID Symbols Quiz Top 50 Quiz: P&ID Symbols (ISA 5.1) Submit Quiz Reset Quiz...
Top 50 Quiz: Loop Checking Procedures Submit Quiz Reset Quiz...
Impulse Lines & Hook-ups Quiz Impulse Lines & Hook-ups Quiz Submit Reset...
Control Valve Quiz for Instrument Technicians Control Valves Quiz for Instrument Technicians Submit Reset }...
Level Measurement Devices Quiz Level Measurement Devices Quiz for Instrument Technicians Submit Reset...
Flow Measurement Devices Quiz Flow Measurement Devices Quiz for Instrument Technicians Submit Reset...
Temperature Measurement Basics Quiz Top 50 Quiz: Temperature Measurement Basics Submit Quiz Reset Quiz...
Pressure Measurement Basics Quiz Top 50 Quiz: Pressure Measurement Basics for Instrument Technicians Submit Quiz Reset Quiz...
Purdue Model Cybersecurity Quiz Purdue Model Cybersecurity Quiz 🛡️ 1. What is the primary purpose of the Purdue Model in industrial control systems (ICS)? To maximize network speed To provide a...
Control Valves
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Cyber Security
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Functional Safety
IEC 61511: 1oo2 Architecture Explained 1oo2 Architecture Explained A visual guide to the “One-out-of-Two” voting logic in Safety Instrumented Systems (IEC 61511). Interactive System...
PFD & SIL Visualizer (IEC 61511) Understanding Probability of Failure on Demand (PFD) An Interactive Visual Guide based on IEC 61511 for Low Demand Mode What is PFD? Probability of Failure on...
Random vs. Systematic Failures in Functional Safety and the Crucial Role of SIL In the world of industrial automation and safety-critical systems, the silent sentinels of functional safety stand...
AI and Functional Safety: Opportunities and Challenges The quiet hum of an electric vehicle gliding through city streets, the seamless operation of a complex manufacturing robot, and the unerring...
The Critical Role of Human Factors in Functional Safety Design In the intricate world of industrial automation and safety-critical systems, we place immense faith in the reliability of technology. We...
Bridging the Gap Between IEC 61508 and IEC 61511: A Comprehensive Guide for the Process Industry In the realm of industrial automation and safety, two standards stand as pillars of modern risk...
Cybersecurity & Functional Safety — IEC 61511 Clause 8 (Interactive Guide) InstruNexus — IEC 61511 Clause 8 Cybersecurity & Functional Safety: A Deep Dive into IEC 61511 Clause 8 The second...
InstruNexus • www.instrunexus.com IEC 61511 • IEC 61508 • SIS Implementing Functional Safety in a Greenfield Refinery Project A fully interactive case study of a 400,000 bpd refinery, aligned to IEC...
How to Conduct a Functional Safety Audit: An IEC 61511 Perspective In the high-stakes world of industrial automation, ensuring the safety of your processes is not just a best practice; it’s a...
Section Title
A Distributed Control System (DCS) rack is the central nervous system of any modern industrial...
How PLCs Revolutionize Industrial Automation In the heart of every modern factory, processing plant...
The international standard IEC 61131-3 defines the five most common PLC programming languages, which...
Digital vs. Analog I/O: Key Differences in PLC Systems In the world of industrial automation...
In today’s fast-paced industrial world, automation is king. 👑 At the heart of modern...
What is a PLC? A Simple Explanation for Beginners Have you ever wondered how a car is assembled with...
Top 30 PLC Basics Interview Questions and Answers Top 30 PLC Basics Interview Questions and Answers...
Purdue Model for ICS Cyber Security: 30 Interview Questions & Answers Purdue Model for ICS...
DCS Architecture & Fundamentals Q: What is the fundamental difference between a DCS and a PLC?...
Flow
Pressure
An Overview of Pressure Transmitters: Working and Applications In the intricate world of industrial...
Diaphragm vs. Capsule Gauges: What to Choose and When In the intricate world of industrial and...
In the world of industrial instrumentation, the accurate measurement of pressure is a cornerstone of...
Understanding Pascal’s Law in Pressure Instruments: A Deep Dive for Instrumentation Professionals...
Static vs Dynamic Pressure: What’s the Difference? A Comprehensive Guide for Instrumentation...
Pressure Units Explained: psi, bar, Pa, mmHg and More Introduction Pressure is a fundamental concept...
A Comprehensive Guide to Types of Pressure Pressure. It’s a fundamental concept in physics and...
Understanding Vacuum Pressure in Industrial Applications: A Comprehensive Guide In the landscape of...
Absolute vs. Gauge Pressure: A Comprehensive Guide to Understanding the Key Differences In the world...
Temperature
Step-by-Step Guide to Installing RTDs in Process Plants In the complex and demanding environment of a process plant, precision is everything. From chemical reactors to distillation columns...
Navigating the Heat: Top 25 Practical Challenges in Heat Exchanger Temperature Measurement Accurate temperature measurement is the cornerstone of efficient and safe heat exchanger operation. It...
Boiler and Furnace Temperature Monitoring: A Comprehensive Q&A Guide A critical aspect of ensuring the safe, efficient, and reliable operation of industrial boilers and furnaces is the precise...
Critical Temperature Measurement in the Oil and Gas Industry: Top 25 Questions & Answers The oil and gas industry operates under some of the most demanding conditions on Earth, where precise...
Surface vs. Immersion Temperature Sensors: A Comprehensive Q&A Guide When it comes to measuring temperature, the choice between a surface sensor and an immersion sensor is a critical one, with...
Wireless Temperature Sensors: Unveiling the Top 25 Trending Questions & Answers As our world becomes increasingly interconnected, wireless temperature sensors are emerging as critical components...
Top 20 Temperature Element Faults & Fixes: A Comprehensive Guide Temperature elements are the unsung heroes of countless industrial processes, from ensuring the safety of food production to...
The Ultimate Guide to Temperature Multiplexers: Top 10 Questions Answered In industrial processes and complex systems where numerous temperature points need monitoring, the challenge of efficiently...
Resistance vs. Temperature in PT100 Sensors: Top 15 Questions and Answers The PT100 sensor is a cornerstone of precise temperature measurement across countless industries. Its reliability stems from a...
Question and Answers
Instrument Calibration & Testing Interview Q&A Instrument Calibration & Testing Top 50 Comprehensive Interview Questions & Answers Q1: Define calibration and explain the difference...
Junction Box Philosophy: Top 50 Q&A Junction Box Philosophy: Top 50 Interview Questions and Answers Part 1: JB Selection and Specification (Q1 – Q15) 1. What are the three primary criteria...
Instrument Cable Selection — Top 50 Interview Questions and Answers Instrument Cable Selection: Top 50 Q&A 1. What is the primary function of an instrumentation cable? The primary function of an...
API 6A Wellhead: Top 50 Interview Questions API 6A Wellhead Equipment Top 50 Interview Questions and Answers 1. What is API Specification 6A? API Specification 6A, titled “Specification for...
Instrument Indexing & Numbering: Top 50 Interview Q&A Instrument Indexing & Numbering: Top 50 Interview Q&A...
SIL Determination Methods: Top 50 Interview Questions SIL Determination Methods Top 50 Interview Questions for Process & Safety Engineers 1. What is a Safety Integrity Level (SIL)? A Safety...
IEC 61511 Functional Safety – Top 50 Interview Questions IEC 61511 Functional Safety: Top 50 Interview Questions 1. What is IEC 61511 and what is its primary objective? IEC 61511 is an...
Choosing the Right Flow Technology: Top 50 Interview Questions and Answers Choosing the Right Flow Technology for Your Application Top 50 Interview Questions & Answers 1. What are the primary...
Choosing Level Measurement Technology: Top 50 Interview Questions Choosing the Right Level Technology Top 50 Interview Questions for Level Measuring Applications 1. What is the fundamental difference...
Back To Basis
The Interactive Guide to Inductive Proximity Sensors Inductive Sensor Explorer Overview Interactive Simulation Performance Deep Dive Inductive Proximity Sensor Explore the fundamental principles behind one of industrial automation’s most reliable components. This guide interactively...
Comprehensive Guide to Capacitive Sensing Capacitive Sensing Fundamentals How It Works Modalities Architectures Performance Future Fundamental Principles Capacitive sensing harnesses the basic physics of the capacitor. It transforms this simple electronic component into a dynamic sensor by measuring...
Interactive Guide to Ultrasonic Flow Meters Ultrasonic Flow Meters Principles Comparison Applications Selector Tool Advanced Explore the Principles of Non-Invasive Flow Measurement This interactive guide demystifies ultrasonic flow meters. Discover the two core technologies—Transit-Time and...
Interactive Vortex Flow Meter Principle Explorer Vortex Meter Explorer Principle Anatomy Performance Comparison Unveiling the Vortex Flow Meter An interactive journey into the principles of fluid dynamics that power one of industry’s most reliable measurement tools. The Kármán Vortex Street...
Interactive Guide to Magnetic Flow Meters Magnetic Flow Meter Explained Introduction Anatomy How It Works Applications Summary Unveiling the Power of Faraday’s Law This interactive guide explores the magnetic flow meter, a robust and elegant device that measures fluid flow by harnessing the...
The Interactive Coriolis Flow Meter Principle Coriolis Meter Explorer Principle Density Anatomy Designs Challenges Comparison The Coriolis Flow Meter An interactive guide to the gold standard of direct mass flow measurement. Discover how fundamental physics is harnessed for unparalleled accuracy. 1...
Interactive Report: The Piezoresistive Effect in Pressure Transducers Piezoresistive Transducers How It Works Core Principle Materials Comparison Applications Full Report From Pressure to Pixels An interactive exploration of the strain gauge pressure transducer, a tiny device that translates...
Interactive Guide to Bernoulli’s Principle Bernoulli’s Principle Core Concepts Applications Limitations Core Concepts Applications Limitations Faster Fluid, Lower Pressure Bernoulli’s principle is a cornerstone of fluid dynamics, stating that for an inviscid flow, an increase in...
Electronic vs. Mechanical Pressure Sensors: A Comprehensive Guide for Instrumentation Professionals In the world of instrumentation and process control, the accurate measurement of pressure is paramount. It’s a fundamental parameter that can significantly impact the safety, efficiency, and...
Tools and Calculators
Circuit Recall Match the engineering symbols. Sharpen your memory. Difficulty: Easy (4×4)Medium (5×4)Hard (6×6) New Game Moves: 0 Time: 0s System Stabilized! Congratulations...
Engineer Appraisal Form — v2 (Custom Weights + Restore) Engineer Appraisal Form Custom weights, restore defaults, 0–5 ratings, PDF & Excel export, signatures. Section I / II weight editable Auto...
Manpower Planning & Allocation Tool 📊 Manpower Planning & Allocation A dashboard to manage engineers, projects, and monthly workload. 👨💻 Engineer Management Engineer Name Hours/Month Add...
Advanced Instrumentation I/O Calculator Advanced I/O Calculator Calculate I/O with DCS/IPS/F&G system breakdown. I/O Configuration Instrument Type System Qty Analog In (AI) Analog Out (AO)...
Control Valve Sizing ISA-75.01.01 (IEC 60534-2-1) 1. Global Settings Units Metric (kPa, m³/h, kg/h, °C)Imperial (psi, gpm, lb/h, °F) Fluid State LiquidGas / Vapour Atmospheric Pressure (kPa abs) Valve...
PFD & SIL Visualizer (IEC 61511) Understanding Probability of Failure on Demand (PFD) An Interactive Visual Guide based on IEC 61511 for Low Demand Mode What is PFD? Probability of Failure on...
DP Level Transmitter Simulator DP Level Transmitter Simulator 💧 Liquid Level: 50.0 % Process Liquid SG: Wet Leg Fill SG: Tx Elevation: 0 in Open Tank (Dry Leg) Calculated LRV: 0.00 inH₂O Calculated...
Advanced Fluid Velocity Calculator Advanced Fluid Velocity Calculator Liquid Velocity Flow Rate Type Volumetric Mass Volumetric Flow Rate (Q) m³/s Mass Flow Rate (ṁ) kg/s Liquid Density (ρ) kg/m³...
Thermowell Wake Frequency Calculator – ASME PTC 19.3TW Thermowell Wake Frequency Calculator Based on ASME PTC 19.3TW-2016 Principles Process Conditions Fluid Velocity (V) m/s Fluid Density (ρ)...
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Process Knowledge
Onshore Oilfield Development: A Complete Guide for Beginners The world runs on energy, and for the foreseeable future, a significant portion of that energy will continue to come from oil and gas...
How Digitalization Is Transforming Oil and Gas Process Management The oil and gas industry, a behemoth of the global economy, is undergoing a profound transformation. In an era defined by market...
An in-depth exploration of the critical machinery that powers the global energy supply, this article delves into the essential process equipment used in oil and gas facilities. From the initial...
Understanding Midstream and Downstream Operations in Oil and Gas: A Comprehensive Guide The oil and gas industry is a colossal and intricate global network that powers our economies and fuels our...
Top 10 Challenges in Modern Oil and Gas Production The global energy landscape is in a state of profound transformation. The oil and gas industry, a long-standing titan, finds itself at a critical...
An Introduction to Oil and Gas Process Operations: From Wellhead to Refinery The journey of oil and gas from deep within the earth to the fuels that power our cars and the materials that make up...
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