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Comprehensive Classification of Electromagnetic Flowmeters

Flow meter /

Electromagnetic flowmeters are widely used in various industries for measuring the flow rate of conductive liquids. These devices operate based on Faraday’s Law of Electromagnetic Induction, which states that a voltage is induced when a conductor moves through a magnetic field. In the case of electromagnetic flowmeters, the conductive liquid acts as the conductor. To […]

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Comprehensive Guide to Temperature Sensor Data Collection

Temperature transmitter /

In the era of smart technology, temperature sensors serve as critical components in the fields of the Internet of Things (IoT) and industrial automation. These sensors continuously monitor environmental changes, converting temperature data into electrical signals or other identifiable forms. This capability provides invaluable support for system control, data analysis, and predictive modeling. This article

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Fire and Explosion Hazard Analysis and Prevention Measures for Atmospheric and Vacuum Distillation Units

Instrumentation /

1. Introduction Atmospheric and vacuum distillation units are critical components in petroleum refining, primarily responsible for the initial separation and processing of crude oil. Due to their operation involving high temperatures, high pressures, and flammable substances, these units are susceptible to significant fire and explosion risks. This article analyzes the potential hazards and proposes effective

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Steam Control in Reboilers: Flow Control or Pressure Control?

PLC /

In a recent industrial installation, the reboilers of a distillation column were configured to use steam pressure control. However, concerns were raised regarding the stability of incoming steam pressure, leading to the suggestion of switching to flow control. This proposal included the addition of a steam flowmeter and updating the control scheme. Since this involves

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Do Combustible Gas Detectors Require Periodic Verification?

Instrumentation /

Combustible gas detectors play a critical role in ensuring safety by detecting hazardous gas leaks in both industrial and domestic settings. A common question arises: Do these devices need periodic verification or calibration? The short answer is yes, in most cases, regular verification is essential to maintain their accuracy, reliability, and compliance with safety regulations.

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What is the difference between saturated steam and superheated steam? How to choose the right type of steam/steam metering

Flow meter /

Steam plays an important role in industrial production and life. Its high efficiency, environmental protection and stability make it one of the indispensable energy sources in modern society. Usually, according to the physical state, we divide common steam into two categories: saturated steam and superheated steam. Saturated Steam Saturated Steam refers to the state in

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Understanding the Differences Between SCADA and HMI

PLC /

In the realm of industrial automation and control systems, two key components often come into focus: SCADA (Supervisory Control and Data Acquisition) and HMI (Human-Machine Interface). While these systems are interconnected and sometimes overlap in functionality, they serve distinct purposes within industrial operations. Understanding their differences is essential for implementing efficient and effective control systems.

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Five Reasons Why a Neutral Wire May Carry Voltage

Instrumentation /

When a neutral wire carries voltage, it poses risks such as electric shock, equipment damage, and other hazards that can disrupt daily life and production. Understanding the causes behind this phenomenon is crucial for identifying and addressing the issue effectively. Let’s explore the five main reasons why a neutral wire might carry voltage. 1. Neutral

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The difference between pressure transmitter and temperature transmitter

Temperature transmitter /

Sometimes, users confuse pressure transmitters and temperature transmitters. Although they look similar, there are still big differences in performance and structure. The following editor will introduce the difference between pressure transmitters and temperature transmitters in detail. 1. Definition – Pressure transmitter: a device used to measure the pressure of liquid, gas or steam and convert

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