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Designed for Longevity Without Drift
The InPro 3250 uses pressurized reference system with patented Argenthal silver-ion trap to prevent diaphragm clogging and to ensure gradual electrolyte outflow to extend the sensor's lifetime.
Suited for the Most Diverse & Intense Operating Conditions
With its durable design, the InPro 3250 family offers a series of pH-sensitive glass membranes that are suited for a variety of requirements, including low temperatures and steam sterilization.
Certified to Meet Various Environmental Needs
A set of certificates for a wide range of applications is available with the InPro 3250, including hazardous zones, biocompatibility of the electrolyte, and relevant safety regulations.
Meet Hygienic Process Conditions
Sensors in the InPro 3250 family are rugged electrodes that lead the industry for fast, accurate measurements even after repeated autoclaving or sterilization cycles at 140 °C (284 °F).
InPro 3250i Series Offers ISM Predictive Diagnostics
The InPro 3250i is a digital ISM pH and ORP sensor. The ISM technology provides predictive diagnostics that lower maintenance costs and reduces the risk of sensor failure during the process.
Simplify Installation with Plug and Measure Technology
Digital InPro 3250i pH sensors offer Plug and Measure technology, which stores calibration data in the sensor. A sensor can be calibrated away from the process, then quickly swapped-in when needed.
 Measures ORP_Carousel_300x185 px.jpg/_jcr_content/renditions/cq5dam.web.1280.1280.jpeg "InPro 3250 & InPro 3250i pH Probes")
InPro 3250 Solution Ground (SG) Measures ORP
The InPro 3250 platinum auxiliary electrode (solution ground) eliminates the risk of electrostatic interference and enables joint pH and ORP measurement in a single sensor.
Useful Related Links
Instruction manual pH electrodes InPro 325Xi
The InPro 3200 sensors are suitable for the same applications as the corresponding DPA(S) sensors without RTD, and provide an additional temperature signal for automatic temperature compensation of the pH signal during calibration and operation.
Case Study on Reducing Sensor Maintenance
Piasa Group is one of Mexico's leading producers of sugar and soft drinks. They manufacture sweet and savory food and flavor solutions. Piasa was frustrated with the high servicing demand of their pH probes.
Technical data pH electrodes InPro 3250 and InPro 3250SG
The new low-maintenance pH electrodes InPro 3250 Series from METTLER TOLEDO are supplied complete with factory-filled, prepressurized liquid electrolyte and suited to a wide scope of applications in the biotechnology, pharmaceutical and chemical process industries.