Products by pHionics Inc.

  • 4-20 mA Differential ORP Sensor | The D-phi Series™ | $629 USD

    If you want a user-friendly, low-maintenance ORP monitoring system, then this 4-20 mA ORP (redox) sensor is your answer. Enjoy hassle-free installation, calibration, and cleaning. Avoid headaches like ground loops, electrode poisoning, and electrode replacement thanks to the differential... Read More
  • 4-20 mA Differential pH Sensor | D-phi Series™ | Only $549 USD

    The new D-phi Series™ offers a reliable, user-friendly, and low-maintenance solution for industrial or environmental pH/ORP monitoring. Chemical-resistant housing and double O-ring seals are designed for 10+ years of reliable performance. On top of that, built-in electrical isolation,... Read More
  • STs Series pH Sensor

    The pHionics STs Series™ pH sensor (sonde) provides accurate pH and temperature measurements to a variety of systems for continuous water quality monitoring. This is made possible by a large double-junction electrode that reduces the dilution rate of the reference, thereby increasing electrode... Read More

Content by pHionics Inc.

  • The Guide To pH Drift By

    Is it the solution, sensor, or electrode that is drifting? Is the electrode too old? Did something happen during shipment? Is there electrical interference with the sensor? This guide provides steps to simplify the troubleshooting process and determine the cause of drift, along with how... Read more
  • The Guide To pH Drift By

    Is it the solution, sensor, or electrode that is drifting? Is the electrode too old? Did something happen during shipment? Is there electrical interference with the sensor? This guide provides steps to simplify the troubleshooting process and determine the cause of drift, along with how to... Read more
  • The Best Storage Solutions for pH Sensors By

    Put simply, the purpose of storage is to protect the accuracy and stability of a sensor until it gets used. Without the right storage solution. you may not receive the full value out of your pH sensors. This guide explains how various storage methods affect your sensors and what the best... Read more