Van London Co. (VLC) manufactures a wide variety of electrodes, sensors, assemblies and accessories for pH, Conductivity, ORP, Dissolved Oxygen, Ion-Specific and Custom Designs. Direct Replacements for Laboratory, Titration, Biotech or Industrial applications are available for all major brands. Our product lines include a complete offering of Table Top Meters, Portable Meters, Industrial Transmitters and many other related products. With a complete machine shop and glass blowing shop we are capable of producing industrial sensors that are designed for maximum performance in the harshest environments and a sizable inventory of sensors, analyzers, and meters are available to expedite orders. VLC has been in business since 1961 and has a long history of dedication to R&D to produce new measurements and designs to enable our business partners access to a superior product.