Instrumentation Archives - Just Measure it

Instrumentation

Standard Installation Guide for Combustible and Toxic Gas Detectors

1. Overview In industrial environments, proper installation of combustible and toxic gas detectors is essential for early leak detection, personnel safety, and fire/explosion prevention. This guide provides standard recommendations for installation height, spacing, positioning, and alarm thresholds. 2. Detector Placement Principles The layout of detectors should be based on gas dispersion patterns after a leak. […]

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A Practical Guide to Digital Multimeter Usage in Industrial Measurement

1. Introduction This guide provides detailed instructions for using a digital multimeter in typical industrial scenarios, such as current loop measurement, RTD and thermocouple testing, and voltage measurements. Emphasis is placed on safety, accuracy, and practical steps for on-site diagnostics. 2. Measuring 4–20 mA Current Loop Signals Method 1: Break-Point Series Measurement Ensure the loop

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Understanding Load Cell Accuracy Classes: What Do C3, C4, and Others Mean?

Introduction When selecting a load cell, one of the most important—yet often misunderstood—factors is accuracy class. Labels like C3, C4, or Class A are commonly found in load cell datasheets, but what do they actually mean? This article explains the purpose of these accuracy classes, how they’re defined, and how to choose the right one

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Do Instrumentation Technicians Need Low Voltage and Explosion-Proof Electrical Certifications?

In industrial facilities, instrumentation technicians (also known as instrument fitters or instrument mechanics) play a vital role in maintaining measurement and control systems. Their responsibilities often overlap with electrical work, especially in process industries. This raises an important question: Should instrumentation technicians hold certifications for low-voltage electrical work and explosion-proof electrical installations? This article explores

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Advanced Control or PID: Which Strategy Is Right for Your Process?

As industrial automation systems grow increasingly complex, traditional PID controllers—though reliable and widely used—are no longer sufficient for meeting the rising demands of precision, safety, and efficiency. This has led many process industries, especially petrochemical plants, to explore advanced control strategies like Model Predictive Control (MPC). But does MPC always outperform PID? What are the

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Best Practices for Installing Load Cells in Harsh Environments

Introduction Load cells are vital components in industrial automation, weighing systems, and process control. However, when used in harsh environments—such as dusty factories, outdoor installations, or corrosive chemical plants—load cells face challenges that can impact their accuracy, lifespan, and reliability. This guide provides actionable best practices for installing load cells in demanding conditions to ensure

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What Is the Difference Between a Calibration Certificate and a Test Report?

In industrial and quality management fields, calibration certificates and test reports are two distinct concepts, each serving different purposes. Understanding their differences is critical for ensuring accurate measurement, product compliance, and maintaining regulatory standards. 1. What is a Calibration Certificate? A calibration certificate is an official document issued by an accredited calibration laboratory or professional

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Zero Manual Intervention: A Dual Evolution of Technology and Human-Centered Management

In the era of industrial automation, “zero manual operation” has become a benchmark for evaluating the advancement of process units. While this objective appears straightforward, it embodies a complex interplay between technological innovation and human-centered management. As enterprises begin using the number of manual interventions as a performance metric, operators often face a dilemma—“Should I

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