What does normally closed and normally open mean?Among the hot topics on the Internet in the past 10 days, the concept of "normally closed and always open" frequently appears in many fields, including electronic engineering, automation control, social media discussions, etc. This article will combin

What is a HEPA filter?Among the hot topics in the past 10 days, health, environmental protection and home safety have become the focus, especially air purification related technologies. Among them, HEPA filter, as the core component of air purifier, frequently appears in discussions. This article wi

What is concrete slumpConcrete slump is an important indicator to measure the fluidity and working performance of concrete and is widely used in construction projects. It directly affects the construction quality of concrete and the durability of the final structure. This article will introduce in d

What is sensor calibrationSensor calibration is a critical step to ensure the accuracy and reliability of sensor output data. With the popularity of the Internet of Things and smart devices, the application scenarios of sensors are becoming more and more extensive, and the importance of calibration

What is a pressure sensorIn today's era of rapid technological development, pressure sensors, as an important sensor type, are widely used in industry, medical, automotive, aerospace and other fields. This article will introduce in detail the definition, working principle, classification and applica

What is a primary device?In the power system, primary equipment refers to equipment that directly participates in the production, transmission, distribution and use of electric energy. It is the most basic component of the power system. They are responsible for the conversion, transmission and contr

How about floor heating installation work?In recent years, as people's requirements for quality of life have improved, floor heating, as a comfortable and energy-saving heating method, has been favored by more and more families. Floor heating installation work has therefore become a popular professi

How to open the water distributorRecently, the hot topics on the Internet are about home maintenance and the use of energy-saving equipment. In particular, the operation method of "water separator" has become the focus of searches. This article will be based onHow to open the water distributorAs the

How about electric floor heating? Comprehensive analysis of advantages, disadvantages and market hot spotsIn recent years, electric floor heating has attracted much attention from consumers as one of the mainstream choices for winter heating. With the advancement of technology and the increasing dem

How to save electricity in electric boilersWith the arrival of winter, as a common heating equipment, the power consumption of electric boilers has become the focus of users. How to save electricity when using an electric boiler can not only reduce household expenses, but also reduce energy waste. T