IM 12B07D02-01E
6-6 Calibration
pH
NO
YES
NO
YES
pH
pH
pH
NO
YES
pH
NO
YES
Sample Calibration.
Press the MODE key. The legend AUT.CAL appears, and the YES/NO
key prompt flags flash. Press NO.
The display MAN.CAL appears.
Press NO.SAMPLE appears
YES
Press to start calibration.
NO
YES
NO
YES
Press YES at the same time as taking
sample for analysis.
PH 202 now continues to measure/control,
as before. SAMPLE flashes to indicate that
data is stored waiting for input of analyzed
value.
pH
ENT
MAN.CAL
DISPLAY
HOLD
NO MODEYES
YOKOGAWA
MODE
TEMP
AUT.CAL
MEASURE
6-5-4. Sample calibration