Instrumentation

Introduction In the fields of industrial automation and hazardous environment control, Intrinsic Safety (IS) stands out as a critical explosion protection technique. As industrial production continues to evolve, there is an increasing demand for higher levels of safety and reliability in equipment. Understanding and mastering the principles and applications of Intrinsic Safety are essential to […]

Calibration and metrological verification are crucial for enterprises, directly impacting quality control and the accuracy of data. While companies invest significant effort in selecting calibration institutions and managing received data, many are unclear about how to effectively verify calibration certificates. This article provides a detailed guide on how enterprises should verify calibration certificates to ensure

1. Introduction Atmospheric and vacuum distillation units are critical components in petroleum refining, primarily responsible for the initial separation and processing of crude oil. Due to their operation involving high temperatures, high pressures, and flammable substances, these units are susceptible to significant fire and explosion risks. This article analyzes the potential hazards and proposes effective

Combustible gas detectors play a critical role in ensuring safety by detecting hazardous gas leaks in both industrial and domestic settings. A common question arises: Do these devices need periodic verification or calibration? The short answer is yes, in most cases, regular verification is essential to maintain their accuracy, reliability, and compliance with safety regulations.

When a neutral wire carries voltage, it poses risks such as electric shock, equipment damage, and other hazards that can disrupt daily life and production. Understanding the causes behind this phenomenon is crucial for identifying and addressing the issue effectively. Let’s explore the five main reasons why a neutral wire might carry voltage. 1. Neutral

Engagement/Disengagement Signal enforcement and protection engagement/disengagement are critical procedures in industrial systems, automation control, and specialized equipment operations. These processes ensure system stability and operational safety. Any mishandling during these operations can lead to catastrophic failures, operational downtime, or safety hazards. This article outlines the critical considerations and best practices for these procedures in greater

1. Metallic Materials Stainless Steel Common types include 304 and 316 stainless steel. 304 Stainless Steel: Offers excellent corrosion resistance in atmospheric conditions, water, and weak acids or alkalis. However, it is vulnerable to concentrated acids, alkalis, and strong oxidizing agents. 316 Stainless Steel: Enhanced with molybdenum, it provides superior corrosion resistance, particularly against chloride

Corrosion resistance is a critical property for instruments used in various industrial and environmental conditions. The ability of materials and designs to withstand corrosive environments directly impacts the longevity and reliability of instruments. This article provides a comprehensive analysis of the factors affecting the corrosion resistance of instruments, categorized into material factors, environmental factors, and

1. Selection of Compensation Wires The selection of compensation wires must match the type of thermocouple being used and the specific application scenario. For example, K-type thermocouples should use K-type compensation wires. Additionally, the operating temperature range must be carefully considered. Common KX Compensation Wires: Suitable for operating temperatures between -20°C to 100°C. Extended Temperature

Maintenance strategies are critical to ensuring the efficiency, reliability, and longevity of industrial equipment and systems. Two widely adopted approaches—predictive maintenance and preventive maintenance—offer distinct methodologies and advantages. This article explores their definitions, strengths, weaknesses, and applicable scenarios, providing a comprehensive understanding of each approach. 1. Understanding Predictive Maintenance Predictive maintenance is a strategy that