Van London Company LogoVan London Company, your source for pH, ORP (Oxidation-Reduction Potential), Conductivity, Oxygen, and Ion Selective Electrodes, for Laboratory, Biotechnology and Medical Applications
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Manufacturing Custom Electrodes
Discover how we can take care of your electrochemical sensor needs.
Van London 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.
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Van London-pHoenix Co.

AlpHa Measurement Solutions
10540 Rockley Road
Houston, TX 77099

800-522-7920 (Toll Free)
832-456-4100 (Voice)

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We are in the process of improving our website, to bring you a new Van London  experience. As such, you may experience technical issues while navigating through our website. Please note that we do not have an automated answering service, and should you run into any issues with the website, we are available for live support at 832-456-4100 or 800-522-7920. Just ask for customer service and we will happily work with you to answer any question you may have and e-mail any literature you might need. We can also be reached by email at We look forward to serving you.
Current London-pHoenix Co. News
Low Cost Toroidal Conductivity   Perfect for applications that would foul or attack the metal of contacting sensors. LEARN MORE
3-23-2020 COVID-19 Stay-at-Home Order Update    LEARN MORE
Current London-pHoenix Co. News
Trade Shows   We will be attending the following Trade Shows (listed in chronological order): LEARN MORE
Current London-pHoenix Co. News
Precious Metal Pricing   Learn how precious metal pricing affects the cost of your electrode. LEARN MORE
The Chemistry of Chlorine    LEARN MORE
Practical pH: Theory and Use   This article will discuss the principles and theory behind the pH measurement and relate these to the actual pH measurement done in the field / laboratory. LEARN MORE