Some MAP packaged products may contain constituents which could interfere with the measurement
i.e. an understatement of the actual oxygen concentration. The symptom is generally a reading of
0.00. This is caused by trace levels of a flammable gas in a combustible concentration interacting
with the Zirconia based oxygen sensor which operates at a high temperature.
In these cases, a charcoal filter should be used which is identified by:
• PFL-400143 Hydrocarbon filter for headspace analysis Small, 0.785 cc
Replace the filter regularly! Passing product through the filter may cause damage to
the analyzer which will not be covered under warranty.
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