Introduction In the oil & gas and process industries, Emergency Shutdown (ESD) valves play a critical role in safeguarding personnel, assets, and the environment. Central to the reliable...
Pressure gauges are critical components in process instrumentation, providing real-time feedback on system pressures to ensure safety, reliability, and efficiency. However, for these gauges to operate...
In industrial environments where process control and equipment safety are paramount, pressure gauges serve as critical indicators of system health. Whether in oil and gas, chemical processing...
Selection of Instrument Ranges Based on Process Data for Pressure, Flow, and Temperature Instruments
Instrument Range Selection Guide Selection of Instrument Ranges Based on Process Data An Interactive Guide for Pressure, Flow, and Temperature Instruments Contents Introduction 1. Why It Matters 2...
Top 50 Explosion-Proof Enclosures Interview Questions and Answers Top 50 Explosion-Proof Enclosures Interview Questions I. Basic Concepts 1. What is an explosion-proof enclosure? An explosion-proof...
Temperature Gauges – Top 30 Interview Questions & Answers | Instrunexus IN Temperature Gauges – Top 30 Interview Questions & Answers Curated for instrumentation & control engineers in...
Pressure Gauges – Top 30 Interview Questions & Answers | Instrunexus IN Pressure Gauges – Top 30 Interview Questions & Answers Curated for instrumentation & control engineers in oil...
Interactive Guide to NAMUR NE 43: Fault Signaling in 4–20 mA Loops An Interactive Guide to NAMUR NE 43 Visualize and understand fault signaling in analog 4–20 mA loops. Table of Contents Interactive...
Loop Diagram Fundamentals Loop Diagram Fundamentals Your complete guide to understanding, preparing, and troubleshooting instrumentation loops. Loop Diagram Preparation 1. What is a loop diagram? A...
Impulse Line Installation — 50 Q&A (Pressure, DP, Level, Flow) Impulse Line Installation — 50 Q&A Pressure • Differential Pressure • Level • Flow — Practical guidance for oil & gas field...
Foundation Fieldbus FAQ Foundation Fieldbus A comprehensive FAQ guide covering the core concepts of the Foundation Fieldbus communication protocol. 1. What is Foundation Fieldbus? Foundation Fieldbus...
Q: What is a hazardous area?A: A hazardous area is a location where flammable gases, vapors, or dust may exist in sufficient quantities to produce explosive or ignitable mixtures. Q: What are the main...
1. Introduction Positive Displacement (PD) flow meters are among the most accurate types of flow measurement instruments available in the industry. Unlike other flow meters that infer flow rate based...
Interactive Guide to Radar Level Measurement Radar Level Guide Principles Technology Modulation Application Installation Full Report An Interactive Guide to Radar Level Measurement Explore the...
Understanding Displacer Level Transmitters Displacer Level Transmitters Principle Anatomy Applications Implementation Comparison Conclusion A Deep Dive into Displacer Technology Explore the...
The Ultimate Guide to RTD Sensors RTD Working Principle Explained An interactive and comprehensive guide to Resistance Temperature Detectors: from fundamentals to real-world applications. 1. What is...
Understanding Thermocouples: An Interactive Guide Understanding Thermocouples An interactive guide to their working principle, types, and applications. What is a Thermocouple? Temperature is one of...
Instrumentation Networks (IT/OT) – 100 Common Interview Questions Instrumentation Networks (IT/OT) 100 Most Common Interview Questions & Answers © 2025 Instrunexus. All Rights Reserved...
Instrument Calibration – 20 Common Interview Questions Instrument Calibration 20 Most Common Interview Questions & Answers 1. What is calibration? Calibration is the process of comparing the...
Orifice Plate Flow Meters – 20 Common Interview Questions Orifice Plate Flow Meters 20 Most Common Interview Questions & Answers 1. What is the basic working principle of an orifice plate flow...
What is an ultrasonic flow meter?An ultrasonic flow meter measures the flow rate of a fluid using ultrasound waves. It calculates the flow based on the time difference or frequency shift of the...
1. What is a vortex flow meter? A vortex flow meter measures the flow rate by detecting the vortices shed from a bluff body placed in the flow stream. It uses the Von Kármán effect. 2. What is the...
1. What is the working principle of a Coriolis mass flow meter? Answer:It works on the Coriolis Effect, where a vibrating tube carrying fluid experiences a phase shift or twist proportional to the...
✅ Basic Conceptual Questions What is a turbine flow meter and how does it work?A turbine flow meter measures volumetric flow rate using the mechanical motion of a rotor placed in the flow stream. The...
🔥 Basic & Conceptual Questions (1–15) What is temperature and how is it measured in process industries?➤ Temperature is the measure of thermal energy. It is measured using devices like...
🔹 1. What is a radar level transmitter? Answer:A radar level transmitter is a non-contact type level measurement device that uses microwave radar signals to measure the level of liquids or solids in a...
What does a DP flow transmitter measure? a) Temperature difference b) Pressure difference c) Flow velocity d) Mass flow rate Which of the following is commonly used for flow measurement in a DP flow...
Diagnostics of HART Protocol Instruments: A Comprehensive Guide HART Protocol Diagnostics Guide A Comprehensive Guide to HART Protocol Instrument Diagnostics Ensuring the reliability, availability...
Instrumentation datasheets are the backbone of project documentation and decision-making. A well-understood datasheet ensures accurate procurement, installation, and integration of field instruments...
In the world of instrumentation and control, the pressure transmitter plays a critical role in ensuring accurate and reliable process measurements. Whether you’re designing, selecting, or...
In the world of industrial instrumentation, magnetic flowmeters—commonly known as magmeters—are widely used for accurate and reliable flow measurement of conductive liquids. Whether you’re designing a...
Guided Wave Radar (GWR) level transmitters have become one of the most preferred choices for continuous level measurement in process industries — especially in applications involving interface level...
How to Prepare Emergency Shutdown (ESD) valves Data Sheets: Step-by-Step with Field-Wise Explanation
Emergency Shutdown (ESD) valves are the last line of defense in oil & gas and process facilities. These valves must function with high reliability to isolate process sections during abnormal...
Ultrasonic flow transmitters are essential instruments in industries ranging from oil and gas to water treatment and chemical processing. These devices offer non-intrusive, maintenance-free, and...
From Process Variable to 4-20 mA: A Deep Dive into Transmitter Electronics The 4-20 mA Current Loop A Deep Dive into Transmitter Electronics and Signal Conversion Why 4-20 mA? Transmitter Anatomy...