1. Introduction Valve selection is a critical aspect of piping system design in chemical processes. The right valve type ensures process efficiency, safety, and longevity of the equipment. This guide outlines the general principles of valve selection and provides practical recommendations for commonly used valve types. 2. General Selection Principles 2.1 Define the Valve Function […]
Understanding the Principles Behind 3-Wire and 4-Wire Resistance Temperature Detectors (RTDs) 1. Overview RTDs (Resistance Temperature Detectors) measure temperature based on the principle that a metal’s resistance changes with temperature. However, when connecting an RTD to an instrument located at a distance, the resistance of the lead wires can introduce significant measurement errors. To reduce
Why Does a 3-Wire RTD Use Three Wires? Read More »
UPS stands for Uninterruptible Power Supply. It is an energy conversion system that provides continuous AC power to critical equipment during utility power interruptions by utilizing backup sources such as batteries. While UPS units are often referred to as power supplies, their core function is to enable seamless switching between two power sources to ensure
Four Operating Modes of Online UPS Systems Read More »
Liquid level measurement is a critical process in various industrial and environmental applications, such as water treatment, chemical processing, and oil refining. The approach to measuring liquid levels varies significantly depending on whether the environment is sealed (closed) or unsealed (open). Each of these environments poses different challenges and requires distinct measurement techniques. In this
Differences Between Liquid Level Measurement in Sealed and Unsealed Environments Read More »
Introduction Unstable or fluctuating load cell readings can be frustrating—especially when your process depends on consistent, accurate force or weight measurements. Whether you’re dealing with analog or digital output, sudden signal jumps, or noisy values, this article walks you through a structured troubleshooting checklist to identify and fix the root cause quickly and confidently. 1.
How to Troubleshoot Unstable Load Cell Readings Read More »
Introduction In thermal power generation, maintaining appropriate steam parameters is critical not only for system safety but also for operational efficiency. Among these parameters, superheated steam temperature stands out as a key indicator that must strike a balance between economic performance and system integrity. While drum pressure is important for safety, superheated steam temperature directly
Superheated Steam Temperature: 1°C Too High Is Dangerous, 1°C Too Low Wastes Money Read More »
Abstract:Metrological calibration plays a critical role in ensuring product quality and process compliance. In modern manufacturing and instrumentation environments, two common approaches are adopted: internal calibration (in-house) and external calibration (third-party). This article presents a comprehensive comparison between the two methods, helping manufacturers optimize their calibration strategies. 1. Internal Calibration and Inspection (In-House) Definition:Internal calibration
Comparative Analysis of Internal vs External Calibration in Industrial Metrology Read More »
Short Answer: No – It is not recommended to run DI (Digital Input) and DO (Digital Output) signals through the same multi-core cable in a Safety Instrumented System (SIS). ✅ Key Reasons: Signal Interference Risk DO signals often drive inductive loads such as relays or contactors, which can generate electromagnetic interference (EMI) or back-emf. DI
Can DI and DO Signals Share a Single Multi-core Cable in SIS Systems? Read More »
Pressure control is crucial for the safety, efficiency, and longevity of various industrial and mechanical systems. Secondary pressure reduction, commonly referred to as secondary pressure regulation, involves further reducing and controlling pressure within a system after an initial reduction phase. Maintaining stable pressure at this stage is vital to prevent fluctuations that could lead to
How to Effectively Stabilize Pressure in a Secondary Pressure Reduction System Read More »
As the flood season approaches, effective water level monitoring becomes a critical concern for cities. To enable intelligent flood prevention and precise monitoring, the use of pressure sensors is essential. 🌧️ Early Rainfall Warning In urban areas prone to flooding, pressure sensors are installed in stormwater pipelines to monitor water levels. Once the water level
Smart Flood Monitoring: The Role of Pressure Sensors in Urban Water Level Management Read More »
