Download user maintenance (continued)

USER MAINTENANCE (CONTINUED)
Calibrating the O2 Sensor (Continued)
Upper Sample O2% =
20.7%
SET OXYGEN %
Enter an upper calibration adjustment to match the Set Oxygen %
display to the upper calibration gas sample value.
a. Enter the air or reference gas concentration into the
BACTROX by typing UC2=sample value in the emulator
window. For example, if your air sample or reference gas
has an O2 concentration of 20.7%, type UC2=20.7 and
press Enter.
b. The BACTROX display should now match the O2
concentration of your sample.

Note: UC2 indicates the upper calibration value for oxygen
SET OXYGEN %

Turn off and unplug the calibration kit air pump, or close the valve of
the reference gas cylinder. Set the cylinder regulator to 0. Disconnect
the pump or cylinder from the O2 Cal Port.
/
Procedure continued on next page
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