Co 2 Calibration - Sanyo MCO-5M Service Manual

CO Calibration
2
Prior to calibration performed, make sure there is not CO
humidity is stable. If you perform calibration with the internal humidity unstable, you may get
the CO density incorrectly.
2
Perform calibration before CO
Never perform CO calibration before O
2
1. Procedure
(1) Pour sterilized water into humidifying pan and operate unit for approx. 10hrs with SV
37 . Ensure the internal humidity should be stabled in 90% or higher.
CO setting should be 0%.
2
<Note> 1) Never open the door during the operation to stabilize internal humidity.
2) It takes approx. 5hours to stabilize internal humidity since the operation started.
You cannot get the correct value for CO
not stabilized.
2. CO zero adjustment
2
1 Press CAL key for approx. 5 seconds.
rd
2 The top (the 3 ) digit of temperature display blinks, other digits will go off.
3 Press CAL key again.
rd
4 The top (the 3 ) digit of CO
5 Set "00.0" with
6 The display will automatically revert to the present temperature.
3. CO span adjustment
2
(1) Press CAL key for approx. 5 seconds.
rd
(2) The top (the 3 ) digit of temperature display blinks, other digits will go off.
(3) Press CAL key again.
rd
(4) The top (the 3 ) digit of CO
(5) Set the present correct value with
(6) The display will automatically revert to the present temperature.
Note) When Key Lock is ON, calibration mode is disabled.
is injected.
2
calibration is completed.
2
density display blinks, other digit will go off.
2
key and key. Press
density display blinks, other digit will go off.
2
key and
in the unit and the internal
2
zero adjustment if internal humidity is
2
ENT key.
key. Press ENT key.
9