Applications of Normally Open (NO) and Normally Closed (NC) Contacts in Safety Instrumented Systems (SIS)
May 19, 2025
In Safety Instrumented Systems (SIS), the use of Normally Open (NO) and Normally Closed (NC) contacts and solenoid valves plays...
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Application of APL Two-Wire Ethernet Technology in Safety Instrumented Systems (SIS)
May 19, 2025
1. Overview of APL Two-Wire Ethernet Technology Definition and Principle APL (Advanced Physical Layer) is an Ethernet-based physical layer technology...
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Why PID and MPC Remain the Mainstream in Process Control
May 19, 2025
In industrial process control, two types of control strategies dominate real-world applications: PID (Proportional-Integral-Derivative) control and MPC (Model Predictive Control)....
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Glycerin-Filled Pressure Gauge: The Rugged Guardian of Industrial Vibration and Pressure
May 19, 2025
A glycerin-filled pressure gauge—also referred to as an oil-filled pressure gauge—is a type of mechanical pressure measuring device that enhances...
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Understanding ORP (Oxidation-Reduction Potential) Measurement
May 19, 2025
1. What is ORP? ORP (Oxidation-Reduction Potential) is a key parameter that measures the tendency of a solution to either...
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Understanding “Working Conditions” in Industrial Instrumentation
May 19, 2025
In the realm of industrial automation and process control, the reliability, accuracy, and stability of instruments are paramount. One critical...
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Understanding the Differences Between Initial, Subsequent, and In-Use Calibration of Instruments
May 19, 2025
In industrial measurement and quality control, instrument calibration is critical to ensuring measurement accuracy and equipment reliability. However, different calibration...
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Fundamentals and Troubleshooting of Electromagnetic Flowmeters: A Practical Guide
May 19, 2025
Electromagnetic flowmeters are widely used in industrial flow measurement for their accuracy, stability, and versatility. Understanding their operating principles, common...
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Application of Electromagnetic Flowmeters in Zero Liquid Discharge (ZLD) of Desulfurization Wastewater at Power Plants
May 19, 2025
Background A combined heat and power (CHP) plant in Jiangsu Province is undergoing comprehensive upgrades to enhance boiler efficiency and...
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Why RS-485 to Ethernet Converters Are Indispensable in Industrial Automation
May 19, 2025
In the realm of industrial automation, the need for seamless communication between field devices and centralized control systems is more...
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How to Choose Between Normally Open (NO) and Normally Closed (NC) Relay Contacts
May 18, 2025
Relays are essential components in electrical circuits, often used for switching and control applications. Understanding how to choose between normally...
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Control Valve Opening Management: Key Risks and Engineering Optimization Strategies
May 18, 2025
1. Risks and Principles of Small Opening Operation Control valves operating at small openings often encounter critical issues due to...
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Components of an Electric Heat Trace System
May 18, 2025
Electric heat trace systems are essential in various industries to maintain the temperature of pipes, tanks, or equipment. They prevent...
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What Is Thermal Shock? Understanding Its Impact on Industrial Materials
May 18, 2025
In industrial manufacturing, one term that frequently comes up is "thermal shock." While it may sound technical, the concept is...
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Tank Calibration and Measurement in the Petrochemical Industry: Importance, Methods, and Best Practices
May 18, 2025
In the petroleum and petrochemical industry, storage tanks are critical infrastructure for holding crude oil, refined products, and various liquid...
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How to Prevent Instrumentation Failures in Chemical Plants
May 18, 2025
In chemical process industries, instrumentation failures can lead to production downtime, safety incidents, and increased maintenance costs. This article outlines...
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Nitrogen Blanketing for Storage Tanks: Principles, Benefits, and Applications
May 18, 2025
Nitrogen blanketing is a protective technique widely used in industries such as chemical manufacturing, oil & gas, pharmaceuticals, and food...
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Common Interview and Exam Questions on Vortex Flow Meters
May 18, 2025
1. Basic Principle Vortex flow meters operate based on the Kármán Vortex Street principle. When a fluid flows past a...
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What Is Radiated Electromagnetic Immunity in Instrumentation Equipment?
May 18, 2025
In modern industrial environments, instrumentation devices are frequently exposed to complex electromagnetic conditions. Radiated electromagnetic immunity, a key component of...
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Gate Valve vs Globe Valve in Chemical Plants: A Comprehensive Selection Guide
May 18, 2025
In industrial pipeline systems—especially within chemical plants—selecting the right type of valve is critical to ensuring process safety, efficiency, and...
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