MRC DO-5519, Руководство по эксплуатации

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4. MEASURING PROCEDURE
4-1 Calibration
Before the measurement, the meter should be processed
the following calibration procedures :
1)Connect the " Oxygen probe plug " ( 3-15, Fig. 2 )
into the " Probe input socket " ( 3-6, Fig. 1 ).
2)Power on the instrument by pushing the " Power Off/On
button " ( 3-2, Fig. 1 ).
The " Display " ( 3-1, Fig. 1 ) will show the
" O2% " and the " Temp. " value as example :
21.4
26.4
℃
% O2
The upper display ( %O2 display ) value will
increase, wait for approx. 3 minutes at least
until the upper display reading values become
stable & no fluctuation.
Press the " Hold button " ( 3-3, Fig. 1 ) once, the
" Display " ( 3-1, Fig. 1 ) will show the " Hold "
indicator, then following press the " REC button "
( 3-4, Fig. 1 ) once, the Display will show :
30
Count down from
CAL 30 to 0 and " End "
6