YSI pHotoFlex pH Handheld Colorimeter - Manual (Page 45)

pHotoFlex
®
pH Operation
45 ba76123e01 02/2013
If
i Calibration error! was displayed as the calibration result, a note au-
tomatically reminds you of another zero adjustment before the next
measurement.
Measuring is not possible without a valid zero adjustment.
5 Insert the cell (see section 4.2)
6 Set another cell with <> <> and <START/ENTER> as nec-
essary.
7 Start the measurement of the zero adjustment with <START/
ENTER>.
After measuring, the result of the zero adjustment is displayed
and stored.
i Zero adjust. successful! (successful zero adjustment) or
i Calibration error! (zero adjustment not successful)
is displayed as the result.
The zero adjustment is completed.
8 Confirm the result with <START/ENTER>.
The zero adjustment is completed.
The meter is ready to measure.
i Insert zero
cell (dist. water)
Cell 16 mm
Start measurement
Zero adjust.