
PNP and NPN Transistors Explained: Structure, Working Principle, Differences, and Applications
Learn the key differences between PNP and NPN transistors, including their structure, working principles, current flow, and circuit applications.

Learn the key differences between PNP and NPN transistors, including their structure, working principles, current flow, and circuit applications.

Recently, customer representatives from South Korea and Japan visited Jiwei for in-depth discussions on level measurement applications.

Jiwei 31 radar level meter is used for non-contact chemical liquid level measurement in water treatment dosing systems, helping solve problems such as corrosion, crystallization adhesion, probe contamination, and frequent maintenance caused by traditional contact-type instruments.

Learn how to select the right radar level transmitter based on medium, range, frequency, temperature, pressure, installation, and process conditions.

See how an 80 GHz radar level meter provides stable, non-contact liquid level measurement in natural gas separators and compressor inlet vessels.

Natural Gas Extraction explained step by step, from exploration and drilling to gas production, processing, separation, and pipeline transportation.

Discover how the Ring-11 vibrating fork level switch provides reliable high and low level detection for foaming and viscous detergents.

Learn how HART, 4-20mA and RS485 outputs work in radar level meters, including their differences, benefits, applications and selection tips.

Compare electronic liquid level switches and float level switches. Learn the benefits of fewer moving parts, and reliable level detection.

Learn the key challenges of liquid ammonia tank level measurement, including vapor, pressure, density changes, and level sensor selection.
Tell us about your application, and our team will recommend a suitable product based on your working conditions and measurement needs.
Tell us your application requirements and our team will recommend a suitable solution.