OxyFerm CIP Traditional DO Sensors
OxyFerm CIP polarographic dissolved oxygen sensors use a special membrane formulation to provide longer life in frequent CIP applications.
Accessories for the OxyFerm CIP
Traditional Transmitters
Housings - Flowcells - Sockets
T82 / D4 Cables: OxyFerm
Polarographic Oxygen Maintenance
Resources
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Material Specification - O-ring EPDM
Material specification of O-ring EPDM -
Material Specification - OxyFerm Optiflow Membranes
Material specifications for OxyFerm Optiflow membranes
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Does carbon dioxide sparging impact my DO measurement?
CO2 sparging will not impact the DO measurement using an optical DO sensor. CO2 can impact traditional polarographic DO sensors over time thus more frequent electrolyte replacement may be needed. -
When should I calibrate my DO sensor?
The frequency of calibration will depend upon the duration of process runs and the accuracy required for process control. In bioreactor applications calibration can be performed before sterilization; however many customers choose to calibrate after sterilization as well. -
When should I replace the membrane and electrolyte in my polarographic DO sensor?
The frequency of membrane and electrolyte replacement is process specific and will vary. Routine calibration before each run can identify a high nA current at the nitrogen zero point or low nA current in air, indicating a need to replace the membrane and electrolyte. Click to learn more about membrane replacement.
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Comparing Optical To Polarographic Dissolved Oxygen Measurement
There is a clear trend in the market towards replacing polarographic with optical dissolved oxygen. When evaluating the switch to optical, engineers must consider if there will be any impact on the current process due to the change in measurement principle. -
Electrolyte & Membrane Replacement for Polarographic DO Sensors
This quick guide discusses how to replace the electrolyte and membrane on OxyFerm and OxyGold polarographic DO sensors. -
Cathode Replacement on Polarographic DO Sensors
This quick guide discusses how to replace the cathode on OxyFerm and OxyGold polarographic DO sensors.
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