Polarographic Oxygen Sensor

InPro 6900(i) for food and beverage low oxygen concentrations

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Accuracy at low oxygen level.

METTLER TOLEDO’s InPro6900i is the intelligent counterpart for the InPro6900, the proven standard especially in food and beverage applications for low oxygen concentrations. The special electrode design with guard ring around the cathode together with the larger surface of the cathode allows for measurement down to 1ppb dissolved oxygen.

Thanks to the integrated ISM technology with Plug and Measure capability makes installation much easier and offers new possibilities for maintenance planning thanks automated self diagnosis and asset management. Together with the iSense Asset Suite always one step ahead.

As with all oxygen sensors from METTLER TOLEDO also the ISM sensors fulfill highest requirements for hygienic design in compliance with EHEDG and 3-A standards. The proven maintenance concept with membrane body and replaceable inner body is continued with all i-type sensors.

Features and Benefits

Enhanced diagnostics
Permanent sensor monitoring with ISM technology reduces the risk sensor failures.
Predictive maintenance
The enhanced diagnostics allows for better maintenance planning "as few as possible, as often as necessary".
High process safety
FDA compliant materials of construction and easy-to-clean high-polished surface (N5 grade) to satisfy increasing regulatory requirements.
Reduced service time down to just 5 minutes
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.
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

 
Specifications
Segment /Application Sterile/hygienic processes within
brewery applications
Accuracy 1 % + 1 ppb 
1 % + 3 ppb
Sterilizable yes
Autoclavable no
Material in contact with medium stainless steel (AISI316L) with 3.1B certificates
Mechanical pressure resistance max. 12 bar (174 psi) absolute
Connector VP
Detection limit 1 ppb to saturation in aqueous
solutions 
3 ppb to saturation in CO2 containing
solutions
ISM yes
ATEX Certification 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
Insertion length for 12 mm: 70, 120, 220 mm (2.8", 4.7", 8.7")

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