Yokogawa DO402 Dissolved Oxygen Analyzer - Manual (Page 69)

IM 12J05D02-01E
Calibration 6-3
6-2-2. Procedure for air calibration
NO YES
MEASURE
MAN.CAL
DISPLAY
HOLD
NO MODE YES
ENT
YOKOGAWA
MODE
AIR.CAL
CONTACTS
S1
S2
WASH/S3
FAIL/S4
H2O.CAL
NO YES
YES
Press YES for single point
adjustment.
Press the MODE key. AUT.CAL appears in the display, and the
YES/NO key prompt flags flash. Press YES.
YES NO
YES NO
YES NO
YES
YES
The instruments waits for
the reading to stabilize.
(The display flashes)
When reading Is stable,
the CAL.END message
appears.
Note: To start calibration
with a zero solution,
press NO (zero
calibration must be
activated in service
code 21).
Transfer to zero
solution and press YES.
When the reading is stable, the CAL.END
message appears. Press YES.
After briefly displaying WAIT, the display returns to
the normal readout.
After briefly displaying WAIT, the display
returns to the normal readout.
If “X.X.1” is selected in Service Code 51,
the M.PR.ON message will appear to
indicate that the manual pressure is
enabled. Press YES to proceed.
YES YES
from *2
to *1
NO NO
from *1
NO
NO
to *2
to *2
to *2
to *2
NO
NO
YES
NO