HMI vs SCADA: Which One Does Your Automation Project Really Need?
July 7, 2026
In industrial automation projects, one question comes up again and again: Should the system use only an HMI, or should...
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Why FGD and SCR Systems Become Unstable in Real Operation
July 6, 2026
Environmental equipment suppliers often claim that: Wet FGD systems can achieve more than 95% SO₂ removal efficiency SCR DeNOx systems...
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Why Pressure Transmitters Fail in the Field: Common Mistakes You Should Avoid
July 5, 2026
A pressure transmitter may leave the factory fully calibrated, thoroughly tested, and perfectly within specification. Yet once installed on site,...
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How to Set Alarm and Interlock Limits for Chemical Reactors
July 4, 2026
In chemical production, alarm and interlock settings for reactors are never just simple numbers. If the setpoint is too low,...
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How to Select a Large Diameter Circulating Water Flow Meter?
July 3, 2026
Selecting a reliable flow meter for large diameter circulating water pipelines (starting from DN400 and extending to DN2000 or even...
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Common Instrument Air Drying Systems: Types, Working Principles, and Applications
July 2, 2026
Introduction In industrial automation, instrument air quality is critical. Compressed air is not just "pressurized air"; it may carry moisture,...
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Radar Level Meters: High Frequency vs Low Frequency – Which Has Better Penetration?
July 1, 2026
1. How Radar Level Meters Measure Liquid Level Radar level meters use the Time-of-Flight (TOF) principle: the transmitter emits a...
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Special Rainy-Season Protection Measures for Industrial Instruments (Comprehensive Version)
June 30, 2026
1. Outdoor Instruments Protection Local Pressure/Temperature/Level Instruments Install rain/solar shields, with instrument heads facing downward to prevent direct water ingress....
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Instrument Technicians: Be Aware—Modifying These Parameters Can Be a Crime!
June 29, 2026
Introduction “When I first started, my mentor told me: ‘Changing parameters isn’t just typing numbers—it’s thinking three steps ahead. One...
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Common Electronic Components in Industrial Automation
June 28, 2026
Many beginners in industrial automation tend to focus immediately on PLCs, robots, servos, motors, and vision systems—things that seem “high-tech.”These...
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Differential Pressure Flow Measurement Instruments: Common Issues and Considerations
June 27, 2026
Differential pressure (DP) flow measurement devices are widely used in process industries and, in many cases, cannot be completely replaced...
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What is a Local Area Alarm and Is It Optional?
June 26, 2026
What is a Local Area Alarm? A local area alarm is a type of on-site alarm device installed in production...
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Signals Every Automation Engineer Must Know
June 25, 2026
Even when equipment isn’t broken and the program shows no errors, sometimes screens display jumping values; valves won’t open, pumps...
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Why Aluminum Smelters Use Ungrounded IT Systems — And Why Incorrect Grounding Can Destroy Instrumentation
June 24, 2026
In most industrial plants, proper grounding improves electrical safety and system stability. But in aluminum electrolysis plants, one incorrect grounding...
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4 Common Instrument Maintenance Mistakes in Chemical Plants (And How to Avoid Them)
June 23, 2026
In chemical plants, instrumentation is often called the “eyes and ears” of the process.Flow meters, pressure transmitters, radar level sensors,...
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What Is Transistor Output? A Practical Guide to NPN vs PNP (With Real Wiring Cases)
June 22, 2026
🔍 Introduction: When a “Simple Output” Burns Your PLC In industrial automation, one of the most common but overlooked issues...
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Electromagnetic Flowmeter Excitation Types: AC vs Pulse vs Dual Frequency (How to Choose the Right One)
June 21, 2026
Why Some Electromagnetic Flowmeters Become Unstable Over Time? Many engineers focus on lining material, electrode type, or brand when selecting...
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Why RS485 Communication Fails Without 120Ω Termination (And How to Fix It)
June 20, 2026
Introduction: When RS485 “Works” — Until It Suddenly Doesn’t In many industrial projects, RS485 communication seems to work fine at...
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Emergency Shutdown Valve (ESV): The Last Line of Defense in Industrial Safety
June 19, 2026
When Alarms Are Not Enough In many industrial incidents, the real danger is not the alarm itself — but what...
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80GHz Radar Level Meter for High-Temperature Rosin Reactor
June 18, 2026
Hello everyone, Today we would like to introduce our JWrada32 80GHz Radar Level Meter, specially configured for a challenging high-temperature...
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