Instrumentation

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 […]

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

A Loss-in-Weight Feeder is a precision gravimetric dosing system designed to deliver consistent and accurate material flow rates. It operates by continuously measuring the weight loss of the material in a hopper over time, adjusting the feed rate to match a predetermined setpoint. This method ensures high accuracy in feeding powders, granules, or liquids, making

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

1. System Capacity Specifications a) Redundancy and Reserve Rules I/O Modules Reserve ≥ 10% of each type of I/O points Reserve ≥ 10% of module slots (plug-and-play ready) Controller Processing Capacity ≥ 60% margin under normal conditions ≥ 40% margin under stress conditions Operator/Server Workstations ≥ 60% CPU margin under stress conditions Memory Capacity ≥

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

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

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

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

In chemical plants and industrial facilities, the presence of flammable and toxic gases is a common hazard due to process leaks, equipment failures, or accidental releases. To ensure personnel safety and prevent fire or explosion incidents, it is essential to install Gas Detection and Alarm Systems (GDS) at locations where such gases are likely to