Dissolved Ozone Sensor

pureO₃ Dissolved Ozone Sensor with ISM

Reliable Ozone Measurement. Easy to use, easy to maintain.

The new METTLER TOLEDO pureO₃ Dissolved Ozone Sensor with Intelligent Sensor Management (ISM®) technology provides robust, reliable measurement with increased stability in pure water applications.

The pureO₃™ dissolved ozone polarographic probe combines advanced design features with a robust measurement technology to ensure accurate and reliable measurement down to zero ppb. The innovative membrane, cathode and electrolyte combination provide fast, reliable measurement data. Full temperature compensation accounts for effects of both membrane permeability and solubility of ozone in water. This state-of-the-art design yields the most accurate and reliable ozone measurement available.

The unique configuration of the membrane, pre-mounted in a membrane cartridge, allows exceptionally easy service. Routine maintenance consists of replacement of the electrolyte and membrane, requiring only a few minutes from start to finish.


  • High accuracy response at very low ppb ozone concentration
  • Enhanced stability and reliability • Fast response
  • Easy to use and maintain
  • Plug and Measure


  • Improved process control and decision making
  • Increased confidence in measurement and process control
  • Reduced maintenance and downtime
  • Reduced operator time and cost for installation

Mettler-Toledo Intelligent Sensor Management

mettler toledo ismWith Mettler-Toledo’s advanced Intelligent Sensor Management (ISM), these concerns are a thing of the past! ISM has been around for years helping all kinds of processes have accurate and assured calibrations and maintenance statuses throughout the whole line of Mettler-Toledo sensors. This technology sends you automatic diagnostic data about your sensor’s:

• Health • Dynamic lifetime • Calibration quality
• Glass strength • Sensor drift

Utilizing this technology would allow you to go into a run or experiment 100% certain that your probes will not be an issue and can move forward with peace of mind. By choosing one of the many Mettler-Toledo sensors equipped with ISM technology, you’ll save on manual labor, experimental waste/time, and be sure you won’t have experimental error due to sensor drift or misreading. With all of this, it makes it an easy choice to move towards ISM probes for your R&D lab or large-scale facility.

Which brings us to a really BIG announcement…

Mettler-Toledo recently launched ISM 2.0 which comes equipped with the same features described but with greater control, reliability, and software to bolster the ease of use and peace of mind that comes with these sensors. ISM 2.0 adds upgrades to the lifetime and calibration algorithms that make them even more accurate at telling you the health and quality of your data and sensors. The upgrade comes partnered with more robust software for enhanced process reliability.

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