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The Need for Advanced Control in Liquid Level Management Introduction

Level meter /

In industrial processes, liquid level control is a crucial aspect of ensuring operational stability and efficiency. A common engineering design involves using buffer tanks, which serve as product tanks for upstream processes and raw material storage for downstream processes. The addition of buffer tanks helps to minimize the mutual influence of fluctuations between upstream and […]

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Why Use Analog Control in PLC Systems?

PLC /

In industrial automation, analog control is fundamental to ensuring precision, stability, and responsiveness in a wide variety of applications. While PLCs (Programmable Logic Controllers) are traditionally known for digital control tasks, they are equally capable—when equipped with appropriate I/O modules and control algorithms—of handling complex analog processes. This article explores the purposes, types, and benefits

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Conversion between PN (Nominal Pressure) and Class Ratings: A Detailed Guide

Instrumentation /

When working with pipelines, fittings, and flanges, it is often necessary to switch between different pressure rating systems depending on the region and standards used. PN (Nominal Pressure) and Class Ratings are two of the most widely used pressure standards. However, converting between these two systems isn’t as straightforward as a mathematical formula. The conversion

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Pump Head Calculation, Flow Rate Relationship, and Flowmeter Selection Guidelines

Instrumentation /

1. Determination of Pump Selection Parameters 1.1 Physical and Chemical Properties of the Medium The medium’s properties directly affect the pump’s performance, material selection, and structural design. Key considerations include: Corrosiveness, toxicity Presence of solid particles (content and size) Viscosity Tendency to crystallize 1.2 Process Parameters Flow Rate (Q): Minimum, normal, and maximum operational flow

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Best Practices for Using Pressure Transmitters

Pressure Transmitter /

Pressure transmitters are among the most widely used instruments in industrial applications. Proper usage and handling are critical to ensure their long-term stability, measurement accuracy, and operational safety. Based on extensive industry experience, the following key precautions are recommended when using pressure transmitters: 1. Ensure Correct Power Supply Voltage It is essential to supply the

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Highway Traffic Weather Stations: Enhancing Road Safety with Advanced Sensor Technologies

Sensors /

1. Introduction Adverse weather conditions are a major contributing factor to road traffic accidents. To mitigate these risks, highway traffic weather stations have been developed, integrating various sensor technologies and automated control systems. These stations enable comprehensive data collection and analysis of climatic conditions across highway sections, allowing for earlier, more accurate travel planning and

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Comprehensive Guide to Installation, Wiring, Zero Calibration, and Operational Notes for Differential Pressure Transmitters

Pressure Transmitter /

Differential pressure transmitters (DPTs) are essential instruments in industrial applications for measuring pressure, liquid level, and flow rate. They convert differential pressure into standardized output signals (e.g., 4–20 mA) for integration with display systems, controllers, and recorders, enabling continuous monitoring and automatic control. 1. Overview of Differential Pressure Transmitters A DPT measures the pressure difference

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Vortex Flowmeter Calibration and Testing Methods

Flow meter /

Vortex flowmeters are commonly used in laboratory and industrial applications to measure the flow rate of gases or liquids. Accurate calibration and testing are essential to ensure reliable operation and data integrity. This document outlines the three primary methods for testing vortex flowmeters: dynamic testing, static testing, and simulated signal testing. 1. Dynamic Testing (With

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Alarm and Interlock Management Procedure

Instrumentation /

1. Purpose This procedure is established to ensure standardized, professional, and hierarchical management of alarms and interlocks within all departments of the company. It specifies the management content and methodologies applicable to alarms and interlocks associated with production units. 2. Scope This procedure applies to the management of alarms and interlocks across all production units

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Electrical Grounding Requirements in Hazardous Explosive Environments

PLC /

In environments where explosive materials are present, the grounding of electrical equipment is a critical safety measure. These environments, classified as hazardous locations, often contain flammable gases, vapors, or dust, which, when exposed to electrical sparks or faults, can cause explosions. Proper grounding of electrical equipment is essential to prevent the accumulation of static electricity,

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