What Is an Instrument Ledger and Why It Matters
September 14, 2025
01. Why Establish an Instrument Ledger? 1.1 Clarify Asset Inventory A well-maintained instrument ledger helps answer three foundational questions: How...
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Seven Root Causes Behind 99% of Industrial Failures
September 14, 2025
Abstract In modern process industries, most equipment and system failures can be traced back to a limited set of underlying...
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What Is an Instrument Tag Number?
September 14, 2025
Abstract In modern industrial production, automation instruments are key tools for process monitoring, control, and safety assurance. To ensure accurate...
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Can a DCS Issue Open/Close Commands to an SIS System for SIF Control of Field Shutdown Valves?
September 13, 2025
In industrial automation and safety-critical systems, ensuring the integrity of Safety Instrumented Systems (SIS) is crucial. The role of SIS...
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How Deep Should a Thermometer Be Inserted for Accurate Measurement?
September 13, 2025
Abstract The immersion depth of industrial temperature sensors such as thermocouples, resistance temperature detectors (RTDs), and bimetallic thermometers directly affects...
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Normal vs. High-Temperature Radar Level Transmitters: How to Choose the Right One in One Minute
September 13, 2025
Abstract In radar level measurement, users are often confused between normal-temperature and high-temperature radar level transmitters. The key difference lies...
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Common ASTM/ASME Material Equivalency for Product Forms
September 13, 2025
In industrial projects such as boilers, pressure vessels, and chemical processing equipment, the same material grade may be specified in...
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Case Study: Signal Failure in Weighing Sensors Caused by Accidental Contact During Cleaning
September 13, 2025
Abstract This case study describes a packaging system failure in a polyacrylamide production line, triggered by an accidental disconnection of...
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Real-Time Optimization (RTO), Advanced Process Control (APC), and Self-Optimizing Control (SOC): Roles and Boundaries in Process Industries
September 13, 2025
Abstract Real-Time Optimization (RTO), Advanced Process Control (APC), and Self-Optimizing Control (SOC) are complementary approaches in hierarchical control structures. While...
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Understanding Water Hammer Effect and System Protection
September 12, 2025
Abstract Water hammer (hydraulic shock) is a common yet often underestimated phenomenon in both industrial and municipal fluid systems. It...
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Instrument Lifecycle Management: A Comprehensive Guide
September 12, 2025
Abstract Instrument lifecycle management is a systematic and digitalized approach that treats the entire process of an instrument—from design to...
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Temperature Transmitter Maintenance and Troubleshooting: Best Practices for Reliable Operation
September 12, 2025
Introduction Temperature transmitters are among the most widely used instruments in industrial measurement and control. By converting temperature signals into...
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What Is Pipeline Purging?
September 12, 2025
1. Introduction Pipeline purging is a common industrial operation that plays a critical role in ensuring system reliability and safety....
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Preventive Maintenance Management System for Instrumentation (Reference Version)
September 12, 2025
1. General Provisions PurposeThis system is established to ensure the long-term, stable, safe, and efficient operation of instrumentation equipment. By...
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Power Supply and Maintenance Responsibilities for Electrical and Instrumentation Systems
September 12, 2025
1. Instrumentation Power Supply 1.1 Power Supply Provision Independent Power Setup: Critical instruments or instrumentation systems are equipped with dedicated...
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PID Parameter Tuning for Flotation Tank Level Control: A Case Study
September 12, 2025
Introduction In mineral processing plants, flotation tanks are large vessels where slurry and froth separation takes place. At first glance,...
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Power Dip (Voltage Sag) Management in Industrial Automation Systems
September 12, 2025
Abstract Power dips (voltage sags) are common disturbances in industrial power grids. If not handled properly, they may cause equipment...
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Comprehensive Strategies for Fault Diagnosis in Industrial Instrumentation and Control Systems
September 12, 2025
Abstract Instrumentation and control systems are essential for stable, safe, and efficient industrial operations. However, failures inevitably occur due to...
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Instrument Purging: An Essential Practice Beyond Pipeline Flushing
September 11, 2025
Abstract Pipeline purging is widely recognized as a critical operation to ensure the cleanliness and reliability of gas pipelines. However,...
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What Is the Difference Between GND and COM?
September 11, 2025
In electrical and electronic engineering, GND (Ground) and COM (Common) are both widely used concepts, but they differ significantly in...
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