How to Test the Quality of a Pressure Sensor
August 23, 2025
Pressure sensors play a critical role in industrial applications. In real operating environments, their performance can be affected by multiple...
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Calibration and Verification of Roots (Lobed Gear) Flow Meters
August 23, 2025
1. Introduction In industries such as energy, chemical processing, and food production, accurate fluid measurement is critical for process control,...
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Chemical Instrumentation Inspection Guide
August 23, 2025
1. Purpose & Scope This guide defines what to check during routine field rounds and system checks for instrumentation in...
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Heat-Trace Cable Selection Guide
August 23, 2025
1) Define the Duty (Process Requirements) Maintain temperature (Tₘ): e.g., anti-freeze (>0 °C) or process hold (50–100 °C). Max exposure...
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Interface Level Measurement with Dual-Flange DP Transmitters — Practical Notes
August 23, 2025
1) Concept & Scope Interface level means the height of the boundary between two immiscible liquids of different densities (e.g.,...
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Six Key Indicators That Determine Instrument Quality
August 23, 2025
Introduction When selecting, using, or maintaining an industrial instrument, it is essential to understand the quality indicators that define its...
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Application of Electromagnetic Flow Meters in Heat Exchange Station Automation Systems
August 23, 2025
A city centralized heating system consists of four main parts: heat sources, heating networks, heat exchange stations, and various forms...
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Analysis of Factors Affecting Interlock Action Reliability
August 23, 2025
Purpose. This note summarizes why interlock functions may mis-actuate or fail to act, and what to do about it—covering instruments,...
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Averaging Pitot Tube (APT) Flow Meter — Installation Essentials (Part 1)
August 23, 2025
0) Summary (for busy engineers) Common symptoms in large‑bore steam service: zero drifting, negative oscillation, large bias. Root causes: poor...
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Essential Competencies and Responsibilities of an Electrical & Instrumentation (E&I) Engineer
August 22, 2025
1. Core Competencies1.1 Technical ExpertiseElectrical Knowledge: Strong foundation in circuit theory, motor control, and power distribution systems.Instrumentation & Automation: Proficiency...
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How Winding Direction Shapes Magnetic Field Direction: A Practical Guide
August 22, 2025
Introduction Coils are everywhere—from motors and solenoids to transformers, relays, and magnetic sensors. While turn count, wire gauge, and core...
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Diagnosing & Fixing Inaccurate Readings in Electromagnetic Flowmeters
August 22, 2025
Executive summary Most accuracy problems come down to four buckets: installation, fluid properties, device faults, and external interference. Use the...
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Flowmeter Selection & Troubleshooting — Six Main Types
August 22, 2025
0. Abstract This document summarizes core selection principles and field-proven troubleshooting methods for six mainstream flowmeter types: Orifice (standard DP),...
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A Comparative Analysis of Fixed-Roof Tanks and Floating-Roof Tanks
August 22, 2025
When it comes to industrial liquid storage solutions, selecting the appropriate type of tank is crucial for efficiency, safety, and...
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Field Case Study: Troubleshooting a Differential-Pressure Flow Meter Loop
August 21, 2025
1. Executive Summary A differential-pressure (DP) flow loop on a process line suddenly reported PV=0 and lost local display. The...
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Design Temperature vs. Process Temperature: Which One Should Prevail?
August 21, 2025
1. Introduction In industrial equipment selection and procurement, design temperature and process temperature are two concepts often confused.A common question...
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Detailed Guidelines for Flow Measurement Instrument Selection
August 21, 2025
1. Units of Flow Measurement, Range, and Accuracy 1.1 Selection of Flow Measurement Units Flow measurement units should be chosen...
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Universal Troubleshooting Guide for Industrial Instrumentation
August 21, 2025
1. Purpose & Scope This document provides a structured, methodical approach to diagnosing faults in industrial instruments and control loops....
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Accuracy Differences Among Various Level Meters
August 21, 2025
1. Introduction The accuracy grade of a level meter is one of its most critical performance indicators. It is usually...
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A Practical Guide to Installing, Wiring, and Commissioning Differential Pressure Transmitters
August 20, 2025
Differential pressure (DP) transmitters are the workhorses behind level, flow, and filter monitoring across process plants. Yet most performance problems...
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