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How to Choose the Right Flow Meter for Different Types of Liquids

Flow meter /

Flow meters are essential in industries such as chemical, light manufacturing, heavy industries, energy, agriculture, and environmental protection, all of which rely on liquid flow measurement. Among the various types of flow meters, some are suitable for measuring water, including electromagnetic, turbine, vortex, orifice plate, ultrasonic, and gear flow meters. However, the choice of flow […]

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The Importance of Transmitter Accessories and How to Choose Them

Pressure Transmitter /

When purchasing or consulting for transmitters, customers are often advised to buy additional accessories. Many procurement personnel may initially dismiss these recommendations, considering them unnecessary or upselling tactics. However, transmitter accessories play a crucial role in ensuring optimal performance, safety, and longevity, especially in specialized or harsh environments. This article will explain the key accessories

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Does Pressure Transmitter Range Migration Affect Stability?

Pressure Transmitter /

Some companies purchase pressure transmitters that allow a range migration of up to 100 times. However, after reducing the transmitter range by 20 times, they notice a significant decrease in stability. When the range is restored to its standard value, the stability issues disappear. What causes this phenomenon? In this article, we will discuss the

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A Comparison of Radar, Ultrasonic, and Capacitive Level Measurement Technologies

Instrumentation /

Level measurement is a critical component in industrial processes. Choosing the right level measurement technology is essential for improving operational efficiency, reducing maintenance costs, and ensuring safe operation. Three commonly used level measurement technologies are radar, ultrasonic, and capacitive technologies. Each has its advantages and disadvantages, making them suitable for different applications. This article will

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The application of radar level meters in the liquid level measurement of distillation kettles

Level meter /

In chemical production, distillation kettles serve as important process equipment. Traditional liquid level measurement methods, such as mechanical float balls or capacitive sensors, can meet certain needs to some extent. However, in complex working conditions, such as high temperature, high pressure, or highly corrosive environments, these methods often prove inadequate. In recent years, with the

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Effect of Incorrect Thermocouple Polarity Connection: Will the Display Show a Higher or Lower Reading?

Instrumentation /

When connecting a thermocouple, it’s essential to ensure that the polarities are correctly matched. If the connections are wrong, the reading on the display could be affected. This article explains how incorrect thermocouple connections can influence the displayed temperature, and whether the error leads to a higher or lower reading. Situation 1: Incorrect Connection Between

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The Bell Jar Gas Flow Standard Device: Principles, Applications, and Advantages

Instrumentation /

Introduction Accurate gas flow measurement is essential in various scientific, industrial, and metrological applications. Among the different types of gas flow standard devices, the bell jar gas flow standard device is widely recognized for its high precision and stability. This article explores the working principles, structure, applications, advantages, and limitations of the bell jar gas

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Is Using Two 2mm² Wires in Parallel Equivalent to a 4mm² Wire?

Instrumentation /

Whether two 2mm² wires in parallel can effectively replace a 4mm² wire depends on the specific connection method and application scenario. Below are the key factors to consider: 1. Current Carrying Capacity of Parallel Wires When two 2mm² wires are connected in parallel, their combined current carrying capacity can theoretically approach that of a 4mm²

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Understanding Instrument Accuracy: Everything You Need to Know

Instrumentation /

Accurate measurement data is the cornerstone of reliability and safety in industrial production, scientific research, and everyday engineering applications. Whether it involves monitoring temperature, pressure, flow, or liquid level, the accuracy of measurement instruments directly impacts the validity of results. For this reason, understanding and mastering the concept of instrument accuracy is a fundamental skill

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Understanding Alternating Current (AC) and Direct Current (DC)

Instrumentation /

Electricity is the cornerstone of modern civilization, powering everything from household appliances to industrial machinery. At the core of electrical systems are two fundamental types of electrical current: Alternating Current (AC) and Direct Current (DC). Understanding their differences, advantages, and applications is crucial in the fields of electrical engineering and technology. What is Direct Current

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