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More info about METTLER TOLEDO

InPro 6800 Polarographic Oxygen Sensor



METTLER TOLEDO’s “Advanced Line” dissolved oxygen sensors are specifically designed for reliable in-line measurement in processes under sterile, hygienic conditions. InPro 6800 sensors have been developed and manufactured in accordance with the most precise surface treatment standards to comply fully with EHEDG and FDA flat-surface recommendations for extremely high-level hygiene applications.


Modular design saves time and money

Replacement of the anode/cathode assembly has been made simple with METTLER TOLEDO’s state-of-the-art interior sensor design, thereby reducing maintenance costs. No complicated service procedures: the quick-disconnect interior body can be replaced in less than 5 minutes! The body design guarantees a good connection every time.

Durable materials, robust design and easy replacement. The exclusive Ingold membrane was designed and developed by METTLER TOLEDO and has become the standard for quality throughout the industry.

No chance of contamination

The new O2 sensors have been tested by leading standards institutes and definitively passed every requirement. METTLER TOLEDO sensors are the first O2 sensors in the world to be awarded EHEDG (European Hygienic Equipment Design Group) certification and meet 3-A hygienic requirements.


The InPro6800 is fully compatible with the O2 4100e «Advanced Line» transmitter. The METTLER TOLEDO “Advanced Line” transmitters offers a wide range of performance benefits. Easy operation, robust construction and all needed functions make the advanced line an ideal choice for your demanding applications.

Features and Benefits

  • Reduced service time: thanks to the easy-to-replace membrane body and quick-disconnect interior body
  • Long sensor lifetime
  • Durable and rugged sensor design for increased resistance to harsh environments.
  • High process safety
  • FDA compliant materials of construction and easy-to-clean high-polished surface (N5 grade) to satisfy increasing regulatory requirements.
  • Complies with the strictest regulations
  • Suitable for hygienic applications: EHEDG certified and 3-A compliant.
  • Better process control
  • High accuracy and low detection limit of 6 ppb.
  • Installation in hazardous zones

– ATEX certificate: SEV 14 ATEX 0169 X
– Ex ia IIC T6/T5/T4/T3 Ga/Gb
– Ex ia IIIC T69oC/T81oC/T109oC/ T161oC Da/Db

– IECEx Certificate of Conformity: IECEx SEV 14.0026X
– Ex ia IIC T6/T5/T4/T3 Ga/Gb
– Ex ia IIIC T69oC/T81oC/T109oC/ T161oC Da/Db

– FM approval: IS/ I, II, III /1 /ABCDEFG /T6

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