Comprehensive Guide to Orifice Flowmeters
March 19, 2025
Introduction The differential pressure (DP) flowmeter is one of the oldest and most widely used flow measurement devices. Despite the...
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Steps for Checking Chemical Instrument Pressure Transmitters
March 19, 2025
When performing routine checks on a chemical instrument pressure transmitter, the following steps should be followed to ensure its proper...
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Understanding the Importance of Neutral Lines in Power Systems
March 19, 2025
Introduction Neutral lines play a critical role in modern power systems. They are indispensable for power transmission and distribution, directly...
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Enhancing RS-485 Bus Resilience: Four-Layer Protection Against Interference and Lightning
March 19, 2025
Introduction RS-485 is a widely used communication standard in industrial control, building automation, and fire alarm systems due to its...
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Definition of Sensors
March 19, 2025
A sensor (or transducer) is a device that detects and responds to a physical stimulus such as light, heat, sound,...
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Can Explosion-Proof Junction Boxes Be Opened While Energized?
March 19, 2025
Introduction When working in hazardous areas, a common question arises: Can explosion-proof junction boxes be opened while energized? This seemingly...
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Choosing Between Intrinsically Safe (Ex i) and Explosion-Proof (Ex d) Instruments for Zone 2 Hazardous Areas
March 18, 2025
Introduction When selecting instruments for hazardous areas classified as Zone 2, it is crucial to consider safety standards and the...
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Advanced Process Control (APC): The Secret Weapon of the Refining Industry—And Its Potential Beyond
March 18, 2025
Introduction Advanced Process Control (APC) technology has been widely adopted in the refining industry, significantly improving efficiency and profitability. However,...
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From Novice to Expert: Essential Skills and Pitfalls in PLC Programming
March 18, 2025
Preface Programmable Logic Controllers (PLCs) play a critical role in industrial automation, being widely used across various production lines and...
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The Significance and Implementation of Temperature Compensation in Ultrasonic Liquid Level Measurement
March 18, 2025
Introduction Ultrasonic liquid level meters operate based on the propagation characteristics of ultrasonic waves in a given medium. These devices...
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Control Scheme Design for Distillation Columns: Challenges and Best Practices
March 18, 2025
In theory, if a control scheme is fixed and its parameters do not require optimization, the original design provided by...
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How to Choose the Color and Wire Gauge for Grounding Wires
March 18, 2025
When designing and installing electrical systems, it is essential to ensure that the grounding system is safe, efficient, and complies...
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Comprehensive Insights into Automation Enhancement
March 18, 2025
Automation enhancement is a multifaceted endeavor that extends beyond closed-loop control systems. While closed-loop control forms the core, numerous opportunities...
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Flange Markings and Their Meanings: A Detailed Guide
March 18, 2025
Introduction Flanges are crucial components in piping systems, providing secure connections between pipes, valves, pumps, and other equipment. To ensure...
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The Application of O-Rings in Chemical Instrumentation: Principles, Materials, Selection, and Specification Analysis
March 18, 2025
Introduction O-rings, circular cross-section elastic sealing elements, are widely used in both static and dynamic sealing applications due to their...
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How to Choose the Right Cable for a Liquid Level Sensor
March 18, 2025
Introduction When selecting cables for liquid level sensors, several common questions arise: When does a liquid level sensor require a...
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Why Magnetic Float Level Indicators and Float Level Indicators are Key to Accurate Level Measurement
March 18, 2025
Level measurement plays a crucial role in various industries, including oil and gas, chemical processing, and water treatment. Accurate monitoring...
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14 Key Points for Daily Maintenance of Pressure Transmitters
March 18, 2025
Do not use voltage higher than 36V on the transmitter, as it may cause damage.Avoid touching the transmitter's diaphragm with...
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Understanding Potentiometers in Instrumentation Equipment
March 18, 2025
Introduction A potentiometer is an adjustable resistor component widely used in electronic circuits to regulate current, voltage, and signal distribution....
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Differences Between Verification and Calibration Procedures
March 18, 2025
Measurement accuracy and reliability are crucial in various industries, including healthcare, manufacturing, and environmental monitoring. To ensure the correctness of...
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