wtw pHotoFlex, Operating Manual

Page: 47 / 111

pHotoFlex / pHotoFlex Turb Operation
47 ba75491e05 04/2009
Note
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.
4 Using <
▲
> <
▼
> and <START/ENTER>, select and start the
Zero adjust. function.
The menu-guided zero adjustment starts.
Follow the instructions on the display.
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.
Zero adjust.
Measure blank value
Delete blank value
Photometry \ Adjustment
i
Insert zero
cell (dist. water)
Cell 16 mm
Start measurement
Zero adjust.