1. Fundamental Differences 1.1 Function and Role Category Surge Protective Device (SPD) Lightning Terminal Core Function Limits transient overvoltages (such...

Introduction Temperature sensors are instruments that convert temperature variables into standardized output signals, widely used in industrial processes for temperature...

Temperature and humidity sensors are widely used across modern industries such as agriculture, meteorology, environmental protection, national defense, scientific research,...

Introduction Industrial automation instruments, including pressure, flow, temperature, level, and composition analyzers, are critical for ensuring safe, stable, and efficient...

Flowmeters often require a certain length of straight pipe (straight run) upstream and downstream to ensure accurate readings. However, in...

Introduction Safety Instrumented Systems (SIS) are critical to ensuring process safety in high-risk industries such as petrochemicals, oil and gas,...

Introduction Valves are essential components in chemical process systems, responsible for regulating the flow of gases, liquids, or slurries. The...

When a plant is shut down, it is expected that all flowmeters should indicate zero flow. However, it’s common to...

In modern industrial and home automation, relays play a critical role in controlling electrical circuits by opening and closing contacts...

Introduction In process industries such as power generation, chemical manufacturing, and petroleum refining, pressure is a fundamental and critical parameter....