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Understanding the Basics of Viscometers

Instrumentation /

Viscometers are instruments used to measure the viscosity (internal friction) of fluids. Viscosity represents a liquid’s resistance to flow—in simple terms, thicker liquids (e.g., honey) have higher viscosity, while thinner liquids (e.g., water) have lower viscosity. Viscometers play a critical role across various industries, including petroleum, food, coatings, and chemical sectors. This article provides a […]

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Selection, Installation, and Maintenance Considerations for Dual Flange Capillary Tubes

Pressure Transmitter /

Dual flange capillary tubes play a crucial role in pressure measurement, temperature monitoring, and other process automation systems across industries such as petrochemical, chemical, metallurgy, and more. Proper selection, installation, and maintenance are essential to ensuring the stability of instrument performance, measurement accuracy, and the longevity of the equipment. This article provides a detailed discussion

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Fieldbus: The Neural Network of Industrial Automation

PLC /

Fieldbus is a critical communication technology in the field of industrial automation. It connects sensors, actuators, controllers, and other field devices directly to the control system via a digital network. Serving as a revolutionary alternative to traditional point-to-point wiring, Fieldbus adopts a bus-topology structure that establishes a high-speed communication channel for real-time data exchange between

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Safety relays – the guardian of factory safety

PLC /

Introduction Safety relays play an important role in modern automation systems. They are designed to protect the safety of personnel and equipment. Compared with ordinary relays, safety relays have more advanced functions and technologies, can detect faults and provide double safety protection. This article will introduce the basic concepts of safety relays, including their working

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Detailed Guide on the Construction of Grounding Electrodes for Control Systems

Instrumentation /

Grounding electrodes are a crucial component in control systems, ensuring electrical safety and system stability. Proper installation and maintenance of grounding electrodes help protect equipment from electrical surges, prevent hazardous electric shocks, and ensure reliable system performance. This article provides a detailed step-by-step guide on how to construct effective grounding electrodes for control systems. 1.

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Brief Analysis on Radar Level Meter Measuring Crude Benzene Tank

Level meter /

Radar level meters are ideal for measuring containers such as crude benzene tanks due to their non-contact measurement, high accuracy and reliability. Today, let’s take a look at how radar level meters measure crude benzene tanks. Radar level meters calculate the surface position of the medium by emitting microwave signals and receiving reflected signals. This

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Optimization of Distillation Column Temperature Control Scheme and Application of Advanced Control Techniques

PLC /

In the operation of a distillation column, temperature control plays a critical role in ensuring the separation and purity of the product. The original temperature control scheme, designed to use reflux control to regulate the top of the column temperature, has proven to be inadequate under certain operating conditions. Experience has shown that when the

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Applications of Programmable Logic Controllers (PLCs) in Industry

PLC /

Programmable Logic Controllers (PLCs) are essential components of industrial automation systems. A PLC is a specialized digital computer designed to control and monitor industrial processes and machinery. It is programmed to execute a sequence of operations, such as switching on/off devices, measuring variables like temperature or pressure, and communicating with other systems. Due to their

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The Importance of Grounding Pressure Transmitters and Shielded Wiring

Pressure Transmitter /

1. Grounding of the Pressure TransmitterGrounding of a pressure transmitter refers to the connection of its metal housing to the earth via a conductor. This ensures that the transmitter’s metal housing and components are at the same electrical potential as the earth. The primary purpose of grounding is to safely redirect leakage currents caused by

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Enhancing the Load Capacity of DCS Systems Using Relays

PLC /

Introduction Distributed Control Systems (DCS) have become an indispensable technology in modern industrial automation, widely used in industries such as oil, chemicals, and power generation. As the demands for industrial automation continue to grow, the load capacity of DCS systems faces increasing challenges. To effectively meet large-scale control needs, relays, a simple yet efficient electrical

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