© PCE Instruments
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3.3
Measurement of atmospheric oxygen
After calibration, the oxygen meter can also be used to measure the atmospheric oxygen content.
To do this, set the unit to O2%.
Note
: This measurement function gives only an indicative measurement.
3.4
Temperature measurement
During the measurement, the oxygen meter displays the current medium temperature.
To change the unit, press the REC button for at least 2 seconds to toggle the unit between °C
and °F.
Note
: This function is not available when the oxygen meter is in memory mode.
3.5
Freezing data in the display
If you press the HOLD key during the measurement, the current display is frozen. The hold icon
then appears in the display.
3.6
Save measured data (MIN HOLD, MAX HOLD)
This function ensures that after activating this function, the minimum and maximum measured
values are saved in the display.
3.6.1
Save maximum value
Press and release the REC key. Then the REC icon appears in the display. When you press the
REC key again, the display shows REC MAX and as soon as the measured value exceeds the
maximum value, the maximum value is updated. If you press the HOLD key, the MAX Hold
function is terminated. Only REC appears in the display.
3.6.2
Save minimum value
If the memory function was activated via the REC key, you can display the minimum measured
value on the display by pressing the REC key again. The display will then also show REC MIN.
Pressing the HOLD key terminates the function and the REC icon appears in the display.
3.6.3
Terminate memory mode
When the REC icon appears in the display, this function can be cancelled by pressing the REC
key for at least two seconds. The oxygen meter then returns to normal measuring mode.