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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Application of 80G Radar Level Meter in Rotary Filling Systems
September 11, 2025
With the rapid development of industrial automation technology, rotary filling systems have emerged as a key technology to enhance production...
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Operating Requirements for Three-Valve Manifolds in Differential Pressure Gauges
September 11, 2025
1. Introduction Differential pressure gauges (often used with differential pressure transmitters) are designed to measure the pressure difference between two...
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Installation Guidelines for Instrument Junction Boxes
September 11, 2025
The installation of instrument junction boxes must comply with relevant design and construction standards. The following guidelines summarize best practices...
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Analysis of Sudden Flow Drop in Ultrasonic Flowmeters
September 11, 2025
Abstract During ultrasonic flow measurement, users may occasionally observe a sudden drop in the indicated flow rate, followed by recovery...
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Metrological Calibration and Testing of Viscometers
September 11, 2025
1. Introduction In industries such as petroleum, chemical, food, and pharmaceuticals, viscosity is a critical parameter for evaluating product performance...
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Temperature and Pressure Compensation in Vortex Flowmeters
September 11, 2025
Abstract Vortex flowmeters are widely used for measuring gas, steam, and liquid flows in industrial processes. Since vortex flowmeters measure...
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Clarifying RS485: Not a Protocol, but a Physical Layer Standard
September 10, 2025
Abstract RS485 is frequently misunderstood as a "communication protocol," whereas in reality, it is a physical layer interface standard. This...
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Fail-Safe Actions of Pneumatic Valves: FC, FO, and FL
September 10, 2025
1. Introduction Pneumatic control valves rely on compressed air as the driving source. In case of air supply failure, the...
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Practical Guide to Common Instruments and Tools for Electrical and Control Technicians
September 10, 2025
1. Common Electrical Instruments 1.1 Multimeter Purpose: Used to measure DC/AC voltage, current, resistance, and in advanced models, capacitance, inductance,...
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