4. MEASURING PROCEDURE
4-1 O2 ( Air oxygen )/Temp. ( Air Temp. )
measurement
1)Power on the meter by pressing the " Power Button "
( 3-2, Fig. 1 ) once,
* Press the " Power Button " once again will power off.
2)Locate the " Oxygen/Temp. Sensor " ( 3-1, Fig. 1 )
to the position that intend to make the measurement.
The upper Display ( 3-5, Fig. 1) will show the O2 ( Air
oxygen ) value in the unit of " %O2 ".
The lower Display ( 3-5, Fig. 1) will show the
Temperature ( Air Temp. ) value in the unit of " " or
℃
"
".
℉
O2 Buzzer warning
If the measurement value < 18.0 %O2, the
buzzer will sound for warning.
O2 Buzzer warning disable
Power off the meter, press the " REC Button "
( 3-4, Fig. 1 ) continuously then power on the
meter ( press the " Power Button " once ), the
O2 buzzer warning function will be disable.
4-2 Data hold
1)During the measurement, press the " Hold Button "
( 3-3, Fig. 1 ) momentarily to hold the measured
value. The LCD will show a " HOLD " symbol.
2)Press the" Hold Button " once again to release the
data hold function.
4-3 Data Record ( Max., Min reading )
1)The Data Record function can memorize the maximum
and minimum readings. Press the " REC Button " ( 3-4,
Fig. 1 ) once to start the Data Record function and
there will be a " REC " symbol on the display.
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