Process Controls Corporation - Mettler Toledo

The Mettler Toledo InPro6950i/12/120 Polarographic Dissolved Oxygen Sensor is designed for in-line measurement of trace dissolved oxygen in liquid process streams.

Its four-electrode measurement system, including a guard electrode and reference electrode, supports low-ppb oxygen measurement in applications such as carbon dioxide recovery and conditioning.

This digital sensor features a 12mm body and 120mm immersion length for integration into compatible process housings.

Process Controls Corporation - Mettler Toledo InPro6950i Polarographic Dissolved Oxygen Sensor

ISM technology, automatic temperature compensation and a steam-sterilizable construction support measurement management in demanding beverage process environments.

Key Characteristics

  • Polarographic/amperometric dissolved oxygen measurement principle
  • Four-electrode design with cathode, anode, reference electrode and guard electrode
  • Operating range from 0.1 ppb to air saturation
  • 12mm sensor diameter with 120mm immersion length
  • Digital ISM technology with K8S IP68 cable connection
  • Automatic temperature compensation through a built-in RTD
  • PTFE/silicone oxygen-selective membrane reinforced with steel mesh
  • AISI 316L stainless-steel wetted components with a polished surface finish
  • Measuring temperature range from 32°F to 176°F (0°C to 80°C)
  • Measuring pressure range from 2.9 to 130 psi absolute (0.2 to 9 bar absolute)
  • Steam-sterilizable construction

Ideal Applications

  • Trace dissolved oxygen measurement in brewery processes
  • Carbon dioxide recovery after the recovery stage
  • Carbon dioxide conditioning
  • Low-level oxygen measurement in liquids containing CO₂
  • In-line measurement where low-ppb oxygen detection is required

Product Family Includes

  • InPro6950i/12/70
  • InPro6950i/12/120
  • InPro6950i/12/220
  • InPro6950i/12/320

Industries Served

  • Brewing
  • Beverage Processing
  • Carbon Dioxide Recovery and Conditioning
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