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Preventing and Removing Buildup in Electromagnetic Flow Meters: Technical Guidelines

Flow meter /

Electromagnetic flow meters are widely used in various industries for their accuracy and reliability. However, in applications involving contaminated or chemically active fluids, inner wall fouling and electrode scaling can affect measurement accuracy and device lifespan. This guide outlines both preventive strategies and cleaning methods to mitigate buildup and maintain performance. I. Preventive Measures 1. […]

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Current Industry Status and Future Prospects of Temperature and Humidity Sensors

Temperature transmitter /

Introduction Temperature and humidity are critical physical parameters that significantly influence various aspects of daily life and industrial processes. Temperature and humidity sensors are devices that convert these physical quantities into electrical signals that are easy to measure and process. Most sensors in the market are designed to measure temperature and relative humidity, playing a

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What Happens If a Thermocouple Is Wired Backwards? Will the Reading Be Higher or Lower?

Thermocouples /

Thermocouples are widely used for industrial temperature measurement. However, incorrect wiring—especially reversed polarity—can lead to misleading readings. This article explains two common scenarios where thermocouple polarity errors occur and the resulting effects on the displayed temperature. 1. Thermocouple Reversed with Compensation Cable When a thermocouple is connected to an instrument through extension or compensation cables,

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RTD Temperature Measurement Principles and Common Troubleshooting Methods

Temperature transmitter /

Resistance Temperature Detectors (RTDs) are widely used in industrial applications for accurate and stable temperature monitoring, especially within low to medium temperature ranges. This article provides a comprehensive overview of RTD working principles, materials, types, wiring methods, troubleshooting techniques, and installation guidelines. 1. Principle of RTD Temperature Measurement RTDs operate based on the principle that

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What Is the Difference Between a High Voltage Circuit Breaker and a Disconnect Switch?

Instrumentation /

In high-voltage power systems, circuit breakers and disconnect switches are two critical components used for electrical control and isolation. Although they are often used together in substations, they serve very different purposes in terms of function, structure, and safety. 1. High Voltage Circuit Breaker A high voltage circuit breaker (HV CB) is a key device

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Why Does Power Cycling Resolve Many Transmitter Issues?

Transmitter /

Power cycling, or turning a device off and then on again, is a common troubleshooting technique that can resolve many transmitter issues. This article explores the technical principles and reasons behind its effectiveness, supplemented with real-world examples and practical advice. Resetting Internal Components Transmitters rely on numerous internal components, such as microprocessors, memory chips, and

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Comprehensive Overview of Differential Pressure Flow Meters

Pressure Transmitter /

1. Fundamental Principle Differential pressure (DP) flow meters operate on the throttling principle, derived from the Bernoulli equation. They calculate flow rate by measuring the static pressure difference generated as the fluid passes through a restriction (such as an orifice plate or venturi tube), and combining it with known physical parameters. 1.1 Working Principle When

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How to Select a Level Transmitter for Crystallizing Media

Level meter /

When dealing with crystallizing media, selecting the right type of level transmitter is essential to ensure accuracy, reliability, and durability. Crystallization can obstruct or interfere with sensors, causing inaccurate readings or equipment failure. In this article, we will explore the key selection principles, suitable types of level transmitters, and practical measures for ensuring smooth operation

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Stable Water Level Monitoring with 80GHz Radar: Real-World Application in River Channels

Level meter /

Natural water bodies—such as rivers, lakes, and estuaries—often exhibit dynamic water level fluctuations due to rainfall, tides, and upstream reservoir releases. These changes play a vital role in flood prevention, ecological balance, and water resource management. However, traditional level sensors like pressure transmitters and float switches frequently suffer from issues such as sediment buildup, vapor

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Do Internal Components in a Pressurized Explosion-Proof Cabinet Need to Be Explosion-Proof?

Instrumentation /

In hazardous industrial environments where explosive gases or vapors may be present, explosion protection is a critical requirement for electrical equipment. One common method of explosion protection is the pressurized enclosure, also known as pressurization type “p” protection. This article explains whether internal components housed in a pressurized explosion-proof cabinet (Ex p cabinet) must themselves

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