YSI pHotoFlex pH Handheld Colorimeter User Manual
Page 57
pHotoFlex
®
pH
Operation
57
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02/2013
For single-point calibration, the instrument uses the Nernst slope
(-59.16 mV/pH at 25 °C) and determines the asymmetry of the elec-
trode.
5
Using <> <>, select Continue and press
The measured value is checked for stability (AutoRead).
6
Wait for the end of the AutoRead measurement or accept the
calibration value with
The calibration display for the next buffer appears.
7
For single-point calibration, select Exit with one point calibra-
tion with <> <> and confirm with
The calibration is completed as a single-point calibration.
The new calibration values are displayed as an informative
message (
i
).
You have the following options:
Accept the new calibration values with
Subsequently, the calibration record is displayed and output
to the interface at the same time.
To switch to the measured value display without accepting
the new calibration values, press
i Buffer value = 7.00
i U = 3 mV
i Temperature =
24.8 °C
Terminate AutoRead
pH & ORP \ Calibration
i Buffer recognition TEC
i Immerse sensor in buffer 2
Exit with one point calibration
Continue
pH & ORP \ Calibration