Difference Between Surge Protectors and Lightning Arresters
October 24, 2025
Surge protectors and lightning arresters are critical components in protecting electrical systems from overvoltages and transient currents. While they may...
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Don’t Confuse “Accuracy” and “Accuracy Class” in Instruments!
October 24, 2025
In the selection and calibration of instruments, we often hear discussions like: "This pressure transmitter is 0.5 class, the accuracy...
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Applications of Mass Flow Meters in the Petrochemical Industry: A Comprehensive Guide
October 24, 2025
Mass flow meters play a crucial role in accurately measuring multi-phase fluid mass flow. Their key advantages—insensitivity to changes in...
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How to Choose the Right Pneumatic Control Valve
October 24, 2025
Pneumatic control valves are essential components in industrial automation systems. They regulate process parameters like flow rate, pressure, and temperature...
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The Importance and Process of Calibration and Testing for Paperless Recorders
October 23, 2025
In various fields such as industrial automation, pharmaceutical production, and environmental monitoring, paperless recorders have gradually replaced traditional chart recorders...
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When Is HAZOP Analysis Required in Chemical Process Safety?
October 23, 2025
Hazard and Operability (HAZOP) analysis is one of the most essential tools in process safety management.However, many companies still struggle...
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Understanding SFC in PLC Programming: The Language That Makes Logic Visible
October 23, 2025
In the world of PLC programming, most engineers are familiar with Ladder Diagram (LAD) and Structured Text (ST or SCL).These...
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Pressure Gauge Classification and Calibration Cycles: A Detailed Overview
October 23, 2025
Pressure gauges are essential instruments widely used in various industries to measure and monitor pressure. To ensure their reliability and...
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Scientific Selection and Practical Applications of Eight Common Valves
October 23, 2025
In modern industrial pipeline systems, valves play a crucial role in controlling the flow, pressure, and direction of fluids. They...
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Operation Guidelines for Regular Blowdown of Steam Drum
October 23, 2025
1. Control of Impurities and Salts ConcentrationDuring the operation of the steam generator, soluble and insoluble impurities (such as calcium...
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What is the NPSH (Net Positive Suction Head) of a Centrifugal Pump?
October 22, 2025
1. Working Principle of a Centrifugal Pump Before starting, the centrifugal pump must first be filled with liquid. When the...
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Environmental Requirements for Control Rooms, Equipment Rooms, and Electrical Distribution Rooms
October 22, 2025
Proper temperature and humidity control in control rooms, equipment rooms, and electrical distribution rooms is crucial for the efficient and...
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Should Hydrogen Chloride (HCl) Gas be Classified as a Toxic Gas for Monitoring?
October 22, 2025
Hydrogen chloride (HCl) gas is classified under "acute toxicity - inhalation, category 3*" according to national standards. However, in practical...
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Why Is Oil Needed in Pressure Sensors?
October 22, 2025
Pressure sensors use pressure-sensitive chips (such as piezoresistive silicon membranes) to detect pressure changes. If the sensor comes into direct...
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Understanding the Capacitive Smart Liquid Level Meter: A Reliable Solution for Industrial Applications
October 21, 2025
In various industrial sectors, accurate liquid level measurement is essential for efficient process control and safety. Among the many measurement...
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Proper Use of Ethylene Glycol Antifreeze in Instrument Isolation Chambers
October 21, 2025
When filling an instrument isolation chamber with ethylene glycol antifreeze, it is crucial to consider whether the antifreeze needs to...
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Principle and Installation of Segmental Orifice Flowmeter
October 21, 2025
In the field of industrial flow measurement, differential pressure flowmeters are widely used due to their simple structure and durability....
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Building a Strong Foundation for Instrumentation Practice: Understanding Key Industrial Safety Concepts
October 21, 2025
In the world of instrumentation, theoretical knowledge is like the wrench in your toolkit — it may seem insignificant, but...
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Difference Between Reed Switch Level Sensors and Magnetostrictive Level Sensors
October 21, 2025
Reed switch level sensors and magnetostrictive level sensors are two common technologies used for liquid level measurement. These two sensors...
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Steam Pipeline Water Hammer: 80% of Accidents Are Caused by These Common Mistakes
October 21, 2025
In the field, many operators have experienced this moment: despite following procedures, the moment the steam valve is opened, a...
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