About Van London
Founded in Houston, Texas, Van London has grown into a trusted global supplier of pH, ORP, ISE, chlorine, dissolved oxygen, and conductivity sensors, as well as analyzers and transmitters. Now part of AlpHa Measurement Solutions, the company delivers advanced electrode technology — including GX5 Glass and Twist-Lock hot-tap assemblies — designed for high accuracy and simple integration.
From biogas plants and chemical production to marine systems and environmental monitoring, Van London sensors provide the data you need to control, protect, and optimize your process.