Note: if the new sensor has red tape over the outside, remove it and wait 30
minutes before calibrating.
Reconnect the oxygen sensor to the connector on the printed circuit board.
Carefully bring the two halves of the case together while positioning the wires
to ensure they are not pinched between the two case halves. Make sure the
sensor is fully inserted and in the proper orientation.
Reinsert the three screws and tighten until the screws are snug. Verify the
unit operates properly.
The device will automatically perform a calibration and begin displaying % of
oxygen.
7.2 MAXO
2
+AE Model
Should the oxygen sensor require changing, the device will indicate this by
presenting “Cal Err lo” on the display.
Unthread the sensor from the cable by rotating the thumbscrew connector
counterclockwise and pull the sensor from the connection.
Replace the new sensor by inserting the electrical plug from the coiled cord
into the receptacle on the oxygen sensor. Rotate the thumbscrew clockwise
until snug.
The device will automatically perform a calibration and begin displaying % of oxy-
gen.
8.0 CLEANING AND MAINTENANCE
Store the MAXO
2
+
analyzer in a temperature similar to its ambient environ-
ment of daily use.
The instruction given below describes the methods to clean the instrument,
sensor and its accessories:
Instrument
• When cleaning or disinfecting the exterior of the MAXO
2
+
analyzer, take
appropriate care to prevent any solution from entering the instrument.
Do not immerse unit in fluids.
Oxygen Sensor
• Clean the sensor with a cloth moistened with a 65% alcohol/water
solution.
• Maxtec does not recommend use of spray disinfectants because they can
12
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