Instruction 0019-9337
15
Oxor® III
5.0 CALIBRATION & MAINTENANCE
Important:
Fresh batteries should be installed, and the unit
allowed to sta bi lize at room temperature for at least two
hours before proceeding with calibration. To main tain ac-
cu ra cy as listed in the Technical Characteristics Sec tion of
this manual, the standards used must be at least 4 times as
accurate as the stated accuracy of the Oxor III.
5.1 Entering the Calibration Mode and
Testing the Display Segments
1. With the analyzer turned OFF, place the unit in fresh, ambient air;
then press and hold down the
ENTER
button.
2. Press the
I/O
button and release it. Observe that all LCD seg ments
are turned ON.
3. Release the
ENTER
button. Observe the unit’s model number and
soft ware version are displayed. The word “CAL” is then displayed
while the unit counts down from 60 seconds.
.
At the end of the count-down period, the
fi
rst calibration screen is
automatically displayed.
Note:
During calibration, the
buttons are used to in-
crease or de crease a displayed calibration value.
ENTER
is
used to store the new value and move to the next screen. Exit
the Calibration Mode by holding down the
ENTER
button
for 2 seconds.
