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pH Sensors

pH is the unit of measure for the acidity of a solution in a process. Product quality depends on pH and Emerson Process Management has a sensor for your needs, whether it is a general application, poisoning, coating, high temperature, low conductivity, or sanitary.

Need help choosing a pH sensor? Try our pH Sensor Advisor tool »​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

  • General Purpose pH and ORP Sensors
    General Purpose pH Sensors for most industries. Optimum versatility with various mounting options provided by one-piece construction with process threads in two places.
  • High Performance pH Sensors
    PERpH-X™ sensors feature an enhanced double junction reference electrode that excels in harsh applications and can be customized with specialized gel eletrolytes.
  • High Purity pH Sensor
    As in many pH applications, in high purity water, the reference electrode wears out long before the glass electrode fails. The reference electrode of these sensors are rebuildable.
  • Steam Sterilizable pH Sensors
    Steam Sterilizable sensors provide a stable signal and retain their calibration value for repeated sterilization cycles. They can be used in the biotechnology, pharmaceutical, chemical and food processing fields.
  • TUpH™ pH Sensors
    All TUpH™ sensor models have been specifically designed for improved life in harsh, dirty, and abrasive applications such as lime slurry, waste treatment, paper machine headbox, and pigment/dye applications.
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