pH and Redox Probes

The pH and Redox probes are essential instruments for the water quality measurement and control and numerous industrial processes. These sensors allow the monitoring of critical parameters such as pH and the Redox potential (ORP) in liquids, helping to maintain process stability and product quality.

At Guemisa we have pH sensors, Redox probes and electrodes for applications of water treatment, sewage, industrial processes, laboratory and measurement facilities online. We work with different configurations to adapt to the type of liquid, temperature, pressure, assembly and actual working conditions.

What do pH and Redox probes measure?

pH probes measure the acidity or alkalinity of a liquid, while Redox or ORP probes allow for monitoring its oxidation-reduction potential. Both parameters are essential in applications requiring reliable process control, such as chemical dosing, disinfection, effluent treatment, or industrial process monitoring.

Applications of pH and Redox probes

• Water and wastewater treatment
• Industrial process control
• Online metering installations
• Laboratory and analytical instrumentation
• Chemical control and dosage

How to choose a pH or Redox probe

The selection of a pH probe or a Redox probe It depends on several factors: type of liquid, measurement range, temperature, pressure, presence of contaminants, type of installation, and compatibility with the measuring equipment or controller. In industrial applications, it is also important to consider the body material, the type of reference, the cable length, and whether the measurement will be portable, submersible, or in-line.

Sensors for real-world processes

At Guemisa we help you choose the pH sensor either Redox sensor more suitable depending on the actual application, both for new installations and for replacing existing probes in equipment and processes already implemented.