Inline Amperometric dO2 Sensors

Metroglas dissolved oxygen sensors are low maintenance and provide reliable results over a broad measurement range—from 100 ppm up to 100% oxygen saturation. The inline amperometric dO2 sensor is created to high hygienic standards and withstands both clean-in-place (CIP) and sterilize-in-place (SIP) procedures. The PTFE-reinforced silicone membrane is easy to replace, ensuring stable performance over the complete lifetime of the electrode with minimized downtimes when the membrane must be exchanged.

Designed mainly for situations like monitoring cell cultures, these inline amperometric dO2 sensors can also be used for various other applications, e.g., drinking water, wastewater, fermentation broths, beer, wine, and fruit juice production, and more. Extremely suitable for applications in the pharmaceutical and biotechnological industries.

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Metroglas Dissolved Oxygen Sensor

Key Benefits

  • Stable measurement signal over the entire application time due to low drift and short response time
  • Sustainable performance over entire sensor lifetime even with regular CIP or SIP cycles
  • Reliable measurement results with the optimized design and proven materials



Technical Specifications

Industry Pharmaceuticals and Biotechnology
Measuring Range 100 ppm – 100% O2
Membrane Silicone
Shaft Material Stainless steel (316S), Ra ≤ 0.4
Shaft Diameter 12 mm
Temperature sensor Pt1000
OElectrolyte Alkaline KCI Solution
Temperature Range 0 – 50 °C
High Temperature (autoclavable) <20 min 121°C
Pressure            4 bar
Sensor Connector VarioPin, PG 13.5
Output Signal Analog
Min. Immersion Depth 10 mm
Length (mm) 120 mm, 225 mm, 325 mm, 360 mm, 425 mm

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Whether you need to measure pH values, determine dissolved oxygen (dO2), dissolved carbon dioxide (pCO2), or other parameters in the process, we can offer the right solution. Contact us to discuss your application and sensor requirements!

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