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Inspection Requirements for Atmospheric Storage Tanks and Breather Valves

Tank /

Atmospheric storage tanks and breather valves play a critical role in the storage of liquids, particularly in industries such as petroleum, chemicals, and food processing. Regular inspections and maintenance are essential to ensure safe and efficient operations. This article outlines the regulatory requirements, inspection methodologies, and maintenance guidelines based on international standards. 1. Inspection Requirements […]

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How to Perform Basic Troubleshooting and Maintenance on a PLC (Programmable Logic Controller)

PLC /

Even if you don’t have in-depth knowledge of PLCs, you can still perform initial troubleshooting and maintenance by following these steps. However, for more complex issues, it’s recommended to consult a professional technician. 1. Initial Inspection Power Supply Check: Ensure the PLC power supply is functioning correctly. Check if the power indicator light is on.

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Understanding Safety Instrumented Systems (SIS)

PLC /

Safety Instrumented Systems (SIS) play a critical role in ensuring the safety and reliability of industrial processes, particularly in high-risk sectors such as oil and gas, chemical manufacturing, power generation, and nuclear energy. SIS is a crucial layer of protection that automatically intervenes when abnormal or hazardous conditions are detected, mitigating risks to people, equipment,

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Understanding Positive, Negative, and No Migration in Pressure Transmitters

Pressure Transmitter /

Pressure transmitters are commonly used in various industrial applications, and understanding the migration phenomenon in these devices is crucial for accurate measurements. Migration in pressure transmitters can occur in three main forms: positive migration, negative migration, and no migration. This article explains the concept of each migration type and provides detailed guidelines on how to

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The radar level meter measures the material level in the mud tank

Level meter /

The radar level meter, with its unique measurement technology, provides a “keen eye” for monitoring the material in the mud tank. This technology utilizes precise electromagnetic wave reflection principles, making the measurement process not only efficient and accurate but also greatly enhancing safety and reliability. In a large mud tank, where various materials are piled

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How to Properly Use Thermocouple Extension Wires

Temperature transmitter /

Thermocouples are widely used for temperature measurement in various industrial, laboratory, and scientific applications due to their robustness and wide temperature range. However, to ensure accurate temperature readings, it is crucial to use thermocouple extension wires (also known as compensation wires) correctly. These extension wires connect the thermocouple to a temperature measuring instrument, and if

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Optimizing Process Control: Understanding PV, SV, and MV in Chemical Engineering

Instrumentation /

Introduction In the automation control systems of chemical plants, three key terms frequently appear: PV (Process Variable), SV (Setpoint Value), and MV (Manipulated Variable). These terms are commonly used in control loops, instrumentation control systems, and data monitoring. Understanding the relationship between these three variables is crucial for process engineers and operators to ensure stability,

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Temperature Sensor Calibration: A Critical Science for Precision Measurement

Temperature transmitter /

Temperature measurement is a cornerstone of modern technology, as accurate temperature data is crucial in a wide range of fields, from industrial processes to scientific research. However, even the most sophisticated temperature sensors can be unreliable if not properly calibrated. Calibration is the key to ensuring measurement accuracy, and in this article, we will explore

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Can a radar level meter measure the liquid level in a cargo oil tank?

Level meter /

In modern industrial and maritime fields, accurate level measurement is key to ensuring safety and efficiency. Radar level meters, with their high precision and non-contact measurement capabilities, have gradually become important tools for level measurement. However, the question of whether radar level meters can effectively measure the liquid level in cargo oil tanks still requires

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Anubar (Averaging Pitot Tube) Flowmeter Fault Analysis and Maintenance

Flow meter /

1. Introduction to Anubar Flowmeter An Anubar flowmeter, also known as an averaging Pitot tube flowmeter, is a differential pressure-based instrument widely used to measure fluid flow in pipelines. It operates on the principle of Bernoulli’s equation, which relates pressure differences to fluid velocity. The Anubar flowmeter captures pressure readings at multiple points across the

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