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Types of RTD Sensors: Practical Selection Considerations
RTD sensor performance depends on more than accuracy specifications; factors such as construction, materials, wiring, and integration all influence long-term reliability. This article explains how thin-film, wire-wound, and strain-free RTDs perform in real industrial environments and how to select the right design for your application.
FNU vs NTU – Which is Better for Measuring Turbidity?
FNU and NTU both measure turbidity using nephelometric principles, but their different light sources make them suited for different applications. This article explains where each method fits, why the readings are not interchangeable, and how AlpHa’s TU90 turbidity sensor supports reliable NTU monitoring.
Optical Brighteners in Water: Role in Wastewater Treatment
Traditional water quality parameters often show that something changed, but not what caused it. This article explains how optical brighteners provide a clearer fingerprint of wastewater contamination and how continuous sensing helps utilities respond faster.