Differences and Commonalities Between Thermal Automation Instruments and Chemical Automation Instruments
September 10, 2025
Abstract Thermal automation instruments and chemical automation instruments both belong to the broader category of industrial automation instruments, serving as...
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Exploring the Series and Parallel Installation of DCS and SIS Valves
September 10, 2025
In process industries, Distributed Control System (DCS) valves and Safety Instrumented System (SIS) valves play critical roles in process control...
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Preventive Maintenance vs. Predictive Maintenance: Key Differences, Advantages, and Applications
September 10, 2025
Introduction In industrial equipment management, Preventive Maintenance (PM) and Predictive Maintenance (PdM) are two commonly adopted strategies. While the two...
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Understanding Strong Current (Power) and Weak Current (Signal) Systems: Differences and Applications
September 9, 2025
In the field of electrical engineering, "strong current" and "weak current" are two fundamental concepts. These two types of electrical...
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Instrumentation Project Documentation Checklist
September 9, 2025
Introduction In an instrumentation and control engineering project, the project documentation package is one of the core deliverables. It records...
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Understanding Modbus Coils: The Foundation of Industrial Communication
September 9, 2025
Introduction In industrial automation and process control, the Modbus protocol is one of the most widely used communication standards. At...
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RTU Input and Output (I/O) Modules Explained
September 9, 2025
1. Introduction A Remote Terminal Unit (RTU) is a key device in industrial automation and remote monitoring systems. It converts...
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Technical Specification for Instrumentation Safety and Installation
September 9, 2025
1. Explosion-Proof Requirements All electronic instruments installed in hazardous areas shall comply with IEC 60079 or GB 3836 standards, and...
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Comparison Between Throttling Orifice Plates and Restriction Orifice Plates
September 9, 2025
1. Functional Positioning Throttling Orifice Plate: Core component of differential-pressure flow measurement systems. Works with differential pressure transmitters and pressure...
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Fire Protection Special Section – Instrumentation
September 9, 2025
1. Explosion-Proof Selection of Field Instruments All electronic instruments installed in hazardous areas shall meet the explosion-proof requirements of the...
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Preventive Measures for Instrument Failures in Chemical Plants
September 8, 2025
1. Instrument Selection and Installation Standards 1.1 Matching Process Conditions Select instrument materials based on medium characteristics such as temperature,...
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Common Installation Errors in Industrial Instrumentation and Their Prevention
September 8, 2025
Abstract The accuracy and reliability of process measurement systems depend not only on the instrument’s design but also on the...
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Applications and Significance of Temperature Transmitters
September 8, 2025
1. Introduction Temperature is one of the most fundamental and widely measured physical parameters in industrial and daily life processes....
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How Differential Pressure Transmitters Measure Flow
September 8, 2025
Differential pressure (DP) transmitters are commonly used for flow measurement in various industrial applications. The principle is rooted in Bernoulli’s...
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Common Gaskets Used in Chemical Industry
September 8, 2025
1. Introduction Gaskets are essential sealing elements widely applied in chemical plants, pipelines, and pressure vessels. Their performance directly affects...
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Practical Measures for Rainproof and Lightning Protection of Industrial Instruments
September 8, 2025
1. Introduction In chemical and thermal power industries, instrumentation serves as the “eyes” and “brain” of production. It ensures process...
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Technical Case Study Failure Indication of RF Admittance Level Switch
September 7, 2025
1. Case Overview Instrument Type: RF Admittance Level Switch Failure Type: Abnormal indication in control room (intermittent alarms, unstable signal)....
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Step Two of Instrument Management: Periodic Inspection, Calibration, and Preventive Maintenance
September 7, 2025
Introduction After completing the first step of instrument management—establishing a comprehensive and accurate instrument ledger—we hold in hand a precise...
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Reevaluating Industry Metrics: Advancing PID Tuning and Automation for Optimal Performance
September 7, 2025
Recently, during my service visit to a refining and chemical enterprise in Shandong, I had the opportunity to examine multiple...
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Typical Pneumatic Circuit Configurations for Control Valves
September 7, 2025
1. Introduction Control valves are the final control elements in process automation, typically consisting of an actuator, valve body, internal...
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