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What Is the Difference Between Flameproof and Intrinsically Safe Instruments?

Instrumentation /

Explosion protection is a critical consideration in hazardous industrial environments, especially in sectors such as petrochemicals, mining, and gas processing. Among the various protection methods, flameproof (Ex d) and intrinsically safe (Ex i) designs are the most widely used approaches in industrial instrumentation. Though both serve the same purpose — preventing explosions — they are […]

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Troubleshooting Differential Pressure Flowmeters with No Indication

Instrumentation /

In industrial operations, it is not uncommon to encounter a differential pressure (DP) flowmeter that shows no indication, even when other systems are functioning normally. This article uses two real-world case studies to analyze the issue and provides a comprehensive troubleshooting guide for maintenance personnel and instrumentation engineers. 1. Case Study Analysis 1.1 No Indication

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Ultrasonic Level Sensor Selection Guide for the Food Industry

Level meter /

Ultrasonic level sensors are widely used in the food and beverage industry for applications such as tank level monitoring, filling line control, and ingredient inventory management. However, selecting the right sensor for hygienic environments requires careful consideration of performance, compatibility, and regulatory standards. This guide outlines the key selection criteria, environmental compatibility, and application-specific recommendations

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Safety Differences of Pressure Transmitter Configurations Under the Same SIL Level and Engineering Case Studies

Instrumentation /

1. Introduction In Safety Instrumented Systems (SIS), Safety Integrity Level (SIL) quantifies the required risk reduction.However, even within the same SIL rating, different configurations of pressure transmitters can significantly impact practical safety performance, reliability, and maintenance complexity. This article explores: Why different configurations matter under the same SIL Common pressure transmitter setups Their relative safety

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Efficient Conduit and Cable Laying Techniques in Instrumentation and Control Systems

PLC /

Laying conduit and cabling in instrumentation and control systems requires careful planning and execution to ensure both efficiency and long-term reliability. These systems are often intricate and sensitive to electrical interference, making proper cable management essential. In this article, we will explore key steps and best practices for efficiently laying conduits and cables in industrial

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Diaphragm Material Selection for Liquid Level and Pressure Transmitters in Strong Acid, Strong Alkali, High Temperature, and Low Temperature Applications

Pressure Transmitter /

In pressure and level transmitter selection, diaphragm material plays a critical role, especially under extreme working conditions such as strong corrosion, high temperature, and cryogenic environments. Proper material selection ensures the reliability, accuracy, and longevity of the transmitter. 1. Diaphragm Material Selection for Strong Acid and Strong Alkali Environments 1.1 Strong Acid Environments (e.g., Sulfuric

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Understanding 12 Common Types of Towers

Tank /

This article provides a detailed introduction to 12 common types of industrial towers. Each type is systematically explained with an emphasis on their principles, characteristics, and applications, making it a valuable resource for readers with interests ranging from basic knowledge to practical applications in engineering and industry. 1. Packed Absorption Tower Description: A packed tower

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Analysis of Radar Level Measurement in Distillation Tanks

Level meter /

In today’s rapidly advancing industrial landscape, precise and efficient measurement technologies are indispensable. Among these, radar level measurement stands out for its exceptional performance, particularly in measuring liquid levels within distillation tanks. Its unique advantages have revolutionized this area of industrial measurement. Importance of Level Measurement in Distillation Processes Distillation is a critical process in

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Do Instrumentation Technicians Need a Low Voltage Electrical Certificate and an Explosion-Proof Electrical Certificate?

Instrumentation /

In industrial environments—especially in sectors such as petrochemicals, pharmaceuticals, power generation, and manufacturing—instrumentation technicians play a crucial role in ensuring accurate measurement, control, and automation. However, beyond technical skills, there are regulatory and safety compliance requirements that technicians must meet. Two of the most important qualifications in this context are the Low Voltage Electrical Operation

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Understanding NEMA Enclosure Type Standards: A Complete Guide

Instrumentation /

In industrial and commercial environments, the protection of electrical equipment against environmental hazards is critical. To address this need, the National Electrical Manufacturers Association (NEMA) established a set of standards that define the performance requirements for electrical enclosures. These NEMA enclosure type standards specify the degree of protection an enclosure provides against dust, water, oil,

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