R.L. Weisheimer \ VanLondon/Phoenix Co.

Van London-pHoenix Company founded in 1961 is a manufacturer of high quality electrochemical analytical sensors.  We specialize in manufacturing pH, ORP (Oxidation-Reduction Potential), Conductivity, Oxygen and Ion Selective Electrodes (ISEs) designed for Laboratory, Industrial, Biotechnology and Medical applications.

VL-PC provides the broadest line of pH sensors available on the market.  They are able to provide direct replacements for most all pH manufacturers with form and fit.  The superior GXV Glass with their unique solid polymer reference gel provides for extended life.  The Memosens Smart Technology is available for pH, Conductivity, ORP DO.  They offer both sanitary along with industrial retractable probe assemblies to solve the most demanding applications.