The Hidden Reason Experienced Engineers Always Know If you have ever walked through an industrial plant, you may have noticed that many pressure gauges are not connected directly to the pipeline. Instead, there is often a curved metal tube installed between the gauge and the process connection — usually in a U-shape, pigtail, or loop […]
Why Do Many Pressure Gauges Have a “Bend” in Front? Read More »
Absolute pressure measurement refers to the pressure of a medium relative to absolute vacuum (0 pressure reference), which is different from gauge pressure that is referenced to atmospheric pressure. Absolute pressure transmitters are widely used in vacuum systems, sealed tanks, gas pipelines, distillation towers, and process pressure monitoring applications where accurate pressure measurement relative to
Absolute Pressure Measurement Principle, Calibration Steps, and Troubleshooting Guide Read More »
In industrial process plants, one of the most frequently overlooked yet critical decisions in control valve selection is the fail action setting. For the same pneumatic control valve, some engineers prefer FC (Fail Close), others insist on FO (Fail Open), while some believe FL (Fail Locked) is the safest option. When asked why, the most
How to Select Pneumatic Valve Fail Action: FC, FO, or FL? Read More »
Particle Size Distribution (PSD) is a critical parameter for characterizing the properties of particulate materials. It describes the proportion of particles of different sizes within a sample. In industries such as pharmaceuticals, powder processing, and multiphase systems, PSD directly influences material performance, process efficiency, and product quality. Therefore, accurately understanding and controlling PSD—particularly parameters like
Understanding Particle Size Distribution: D10, D50, and D90 Explained Read More »
In industries such as petrochemical, natural gas, pharmaceuticals, and dust processing, the classification and management of explosive hazard zones are not only technical concerns but also safety regulations and mandatory standards. The depth of understanding directly influences the effectiveness of the explosion-proof system in any enterprise. This article provides a comprehensive professional interpretation of explosive
What is an Explosive Hazard Zone? An In-Depth Exploration Read More »
Both chemical and paper industry instruments belong to the category of process automation, but they differ greatly in terms of process media, operating conditions, control objectives, and safety levels. This results in significant differences in selection, structure, accuracy, protection, and functional priorities. Below is a detailed comparison across various dimensions: 1. Core Operating Conditions and
Differences Between Chemical Instrumentation and Paper Industry Instrumentation Read More »
Spherical tanks, especially those used to store crude oil, finished products, chemicals, and other media, require high precision, safety, and stability for level measurement. Servo level meters, due to their unique advantages, have become the mainstream choice. The key reasons are outlined below: 1. Adaptation of Servo Level Meter Measurement Principle to Spherical Tank Characteristics
Why Servo Level Meters Are the Preferred Choice for Spherical Tank Level Measurement Read More »
Project Overview Customer: Location: Pasir Gudang, Johor, Malaysia Application: Asphalt / Bitumen Tank Level Measurement Product Supplied: DN80 80GHz Radar Level Sensor Dalian Zero Instrument Technology Co., Ltd successfully supplied a customized high-temperature radar level sensor solution for asphalt tank level monitoring in Malaysia. The customer required a reliable non-contact level measurement solution for hot
Case Study: 80GHz Radar Level Sensor for High-Temperature Asphalt Tank in Malaysia Read More »
Industrial automation is evolving at a rapid pace, sometimes faster than the updates on your smartphone. So, what exactly is APL? How does it differ from traditional instrumentation? And why are more and more factories adopting this new technology? What is APL? What Are APL Instruments? APL (Advanced Physical Layer) is an Ethernet physical layer
In various industrial and scientific applications, understanding the difference between ambient temperature and process temperature is crucial. These two terms refer to different temperature measurement concepts, each playing a unique role in the operation, performance, and safety of equipment and processes. Below, we will explore these differences and their importance. What is Ambient Temperature? Ambient
Understanding the Key Differences Between Ambient Temperature and Process Temperature Read More »
