Introduction In modern industrial automation, inverters (VFDs) are not only used for motor speed control but also serve as vital communication nodes between field devices and PLCs or supervisory systems. The Yaskawa V1000 series, as a compact vector control inverter, is widely applied in conveyors, fans, pumps, compressors, and other equipment due to its stable performance and rich features.However, many…
Month: September 2025
Practical Guide to ABB EL3020 Gas Analyzer: Negative CO Readings and Zero/Span Calibration
1. Introduction In industrial emission monitoring, combustion control, and process analysis, gas analyzers play a critical role in ensuring safety, efficiency, and compliance with environmental standards. The ABB EL3020 is a widely used multi-component gas analyzer based on infrared optical measurement principles. It is designed to continuously monitor gases such as CO, CO₂, NO, and SO₂ in various industrial applications.…
Hach Amtax SC Ammonia Nitrogen Analyzer User Guide
I. Instrument Principle and Features The Hach Amtax SC Ammonia Nitrogen Analyzer is an online analytical device specifically designed for continuous monitoring of ammonium ion concentration in water bodies. It is widely used in wastewater treatment plants, waterworks, surface water monitoring, and industrial process control. Its core measurement principle is the Gas Sensitive Electrode (GSE) method, where a selective electrode…