Divesoft HE/02, Руководство пользователя

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The instrument shows less than 0 % or more than 100 % of oxygen in the mixture
• The displayed value arises directly from the measured and calculated value and has in no
way been altered in the background. The possible measuring error is symmetrical and, for
example, when measuring a mixture without any oxygen content, 0.5 % or −0.5 % oxygen
can be displayed. Accordingly, when measuring pure oxygen, e.g. 99.5 % or 100.5 % can
be displayed. If the deviation is within the measuring tolerance, this is not the result of
a defect. In the case of a greater deviation, recalibrate the oxygen sensor. If the problem
persists, replace the sensor.