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Instrument Control System Management Procedure

Instrumentation /

1. Purpose This document is established to strengthen the management of instrument control systems, including DCS (Distributed Control System), SIS (Safety Instrumented System), and PLC (Programmable Logic Controller), ensuring their safe and stable operation. It also aims to improve the environmental quality of the control cabinet room, facilitate maintenance, and prevent accidents. 2. Scope This […]

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Application of Ultrasonic Level Meters in Coal Mine Environments

Flow meter /

1. Liquid Level Monitoring Requirements in Coal Mining Coal mining environments present extreme and hazardous conditions characterized by: High dust concentration Presence of explosive gases (e.g., methane) Corrosive fluids (such as acidic mine water) These factors impose strict requirements on level measurement devices in terms of safety, stability, corrosion resistance, and signal reliability. Typical Application

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Can a Rotary Paddle Level Switch Replace a Vibrating Rod Level Switch?

Level switch /

When selecting a level switch for solid material measurement, many users wonder: can a rotary paddle level switch replace a vibrating rod level switch? Or vice versa? To answer this question, it’s essential to understand the working principles, advantages, and application scenarios of both devices. This article provides a detailed comparison to guide proper selection.

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Installation Precautions for Vortex Flow Meters

Flow meter /

Proper installation of a vortex flow meter is essential for accurate measurement and long-term reliability. This guide outlines key precautions and best practices that must be followed during installation. 1. Power Supply Requirements Ensure that the 24V DC power supply is correctly connected. Reversing the polarity (positive and negative terminals) is strictly prohibited and may

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Application of Ultrasonic Level Meters in the Food Industry

Level meter /

1. Industry-Specific Requirements for Level Measurement in Food Production In the food and beverage industry, level measurement solutions must meet strict hygiene standards, ensure high measurement accuracy, and facilitate easy maintenance. Ultrasonic level meters, as non-contact sensors, align well with the following critical demands: Hygienic Compliance: The measurement system must avoid direct contact with the

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Common Methods for Industrial Instrument Fault Diagnosis

Flow meter /

Industrial instruments are vital in ensuring the smooth and efficient operation of various industrial processes. However, like all equipment, they can occasionally malfunction or fail. Detecting and diagnosing these faults promptly is crucial to maintaining operational efficiency and avoiding costly downtime. Below is a detailed discussion of the common methods used to diagnose faults in

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Industrial Storage Tanks: Types, Differences, and Selection Guidelines

Tank /

Industrial storage tanks come in various types, each designed for specific purposes based on the nature of the substance stored, operational requirements, safety considerations, and economic factors. Among the most common types are spherical tanks, floating-roof tanks, fixed-roof (domed-roof) tanks, and horizontal tanks. Below is a detailed overview of their differences and selection guidelines. 1.

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True Industrial Automation: Beyond Equipment and Towards Knowledge-Driven Control

PLC /

In the pursuit of higher levels of automation, many industrial plants are investing heavily in new equipment and instrumentation. These investments are often necessary, and they do bring measurable improvements. However, installing hardware is only the starting point. The true objective of automation is not simply to add more devices—it is to enhance plant safety,

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Application of Ultrasonic Level Meters in the Steel Industry: Scenarios, Advantages, and Technical Considerations

Level meter /

1. Introduction: Liquid Level Measurement in Harsh Steelmaking Environments Steel production environments are among the most complex and demanding in industrial sectors. From high-temperature molten metals and corrosive fluids to heavy dust and continuous operation cycles, accurate and reliable liquid level monitoring is critical to ensure process stability and equipment safety. Key process areas that

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Understanding the Differences Between Gauge, Differential, and Absolute Pressure Sensors

Pressure Transmitter /

In modern technology and industrial applications, pressure sensors play a crucial role as essential measurement tools. Among them, gauge pressure sensors, differential pressure sensors, and absolute pressure sensors stand out as the three core categories in the field of pressure measurement. This article delves deeply into the definitions, working principles, measurement objects, application scenarios, and

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