Instrumentation

Do Emergency Shutdown Valves Always Need Fireproof Covers? For emergency shutdown valves (ESD valves), the installation of a fireproof cover is often a topic of debate. Some engineers believe that fireproof covers are mandatory for all ESD valves, while others believe that a spring-return actuator with a fusible plug is sufficient in many applications. So, […]

Anyone who works with field instrumentation has probably encountered this situation: The impulse line is almost blocked, yet the pressure trend on the DCS still looks stable and the reading appears normal. Then the process condition changes—and the problem suddenly becomes obvious. The actual process pressure has already increased, but the DCS value is still

Why Choosing the Right Sealing Method Matters In industrial instrumentation systems, many leakage problems appear to be caused by loose connections. However, when investigated carefully, the real problem is often that the wrong sealing method was selected from the beginning. Instrument air tubing, impulse lines, process connections, valve manifolds, and cable entries may all require

Introduction Hazardous chemicals are widely used in industries such as chemical processing, oil and gas, pharmaceuticals, mining, water treatment, and manufacturing. Due to their potential risks, improper handling, storage, or transportation may result in fire, explosion, toxic exposure, environmental pollution, or serious safety incidents. Before hazardous chemicals are stored in a warehouse or process area,

A Complete Selection Guide for Nitrogen Blanketing and Oxygen Monitoring Applications An online oxygen analyzer is a critical instrument used for continuous measurement and monitoring of oxygen concentration in process gases. In storage tanks containing flammable liquids, solvents, chemicals, or sensitive materials, accurate oxygen monitoring is essential to maintain safe operating conditions and prevent fire

In industrial instrumentation systems, gaskets are small components, but they often determine whether a connection remains reliable or develops leakage problems. A leaking pressure gauge connection, sweating around a transmitter manifold, or bubbling at a level gauge flange is not always caused by the instrument itself. In many cases, the actual problem comes from incorrect

Introduction When selecting industrial instruments, engineers often face questions like: “This instrument has 0.5% accuracy, while another one has 0.2% accuracy. Why is the price so different?” “Is 0.5% accuracy enough for my application?” “Does a higher accuracy instrument always mean better performance?” Accuracy class is one of the most misunderstood specifications in industrial measurement.

When designing substations and high-voltage transmission systems, engineers often encounter four terms: AIS, GIS, HGIS, and GIL. They are all related to high-voltage equipment and insulation technologies, but their functions are fundamentally different. AIS, GIS, and HGIS are mainly used for high-voltage switchgear arrangements inside substations, while GIL is designed as a high-voltage power transmission

Many people assume that the neutral wire is simply a “wire with no electricity.” In industrial electrical systems, however, this misunderstanding can easily lead to incorrect troubleshooting and even safety hazards. Power distribution cabinets, control panels, variable frequency drives (VFDs), UPS systems, lighting circuits, PLCs, and industrial instruments all rely on conductors such as L,

Let me ask you a simple question. Your plant’s ERP system probably generates beautiful energy reports. Your production dashboards likely show clean and impressive trend charts. Now here’s another question: How has the temperature sensor at Measurement Point 12 on Furnace No. 3 been drifting over the past week? Is it showing any early signs