Eppendorf Galaxy CO2 Sensor - Manual (Page 12)

Galaxy O2 Sensor Setup — Instructions
12
The oxygen reading is automatically adjusted to 19.7 % which is the true reading taking into
account the Relative Humidity level.
The incubator is now ready for use with O
2
control.
1.6 Referencing the O
2
sensor for Galaxy 14 liter incubator
Reference the O
2
sensor to atmospheric O
2
levels as follows:
1. Press and hold the programming ( * ) key, to enter the OXYGEN CONTROL Menu.
The display will indicate ‘02C.0nt’.
2. Select '-02.rEF’ using the » and º keys, then press the ENTER key to begin the O
2
reference.
3. Perform the following on-screen instructions:
•
'OPEn - dOOr', open the incubator door.
•
'cd 59', a 60 second countdown timer is displayed.
•
Close door when prompted.
The control system will allow the sensor to stabilize for 10 minutes.
Once stabilized, the control system will reference the sensor to atmospheric oxygen level. The
reading is automatically adjusted to 19.7 % which is the true reading taking into account the
Relative Humidity in the chamber. This process should be carried out once the incubator has
been humidified and left overnight to stabilize.
Hint!
10 minute countdown begins when user closes door.
Hint!
Additional calibration is required for 170 liter and 48 liter incubators with the 0.1 - 19 %
option, for calibration instructions (see Calibrating the O
2
sensor for Galaxy 170 liter
and 48 liter 0.1 - 19 % O
2
option on p. 13).
Hint!
•
Set O
2
control to ON before using, follow the steps below to enable O
2
control:
a Press the programming ( * ) key.
b Select ‘02C.0nt’ using the » and º keys and press the ENTER key.
c Toggle to the ON position and press the ENTER key.
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Galaxy O
2
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