Van London is proud to be an AlpHa Measurement Solutions brand. Since 1961 Van London has been a vertically integrated manufacturer of a wide variety of electrodes, sensors, transmitters, mechanical assemblies, and accessories for pH, ORP, Conductivity, Dissolved Oxygen, and Ion-Specific measuring for OEM customers worldwide. Direct Replacements for Laboratory, Titration, Biotech or Industrial applications are available for all major brands. AlpHa Measurement Solutions produces Van London industrial sensors designed for maximum performance. Van London has a long, rich history of innovation and R&D needed to design and produce high quality products. For more information about our parent company AlpHa Measurement Solutions or any of our industry-leading brands, please visit: AlpHa Measurement Solutions - https://www.alpha-measure.com