wtw pHotoFlex STD Manual page 37

Led filter photometer
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®
pHotoFlex
STD
ba75958e07
11/2020
Photometry \ Adjustment
Zero adjust.
Measure blank value
Delete blank value
Standard adjustment
Open the Standard adjustment menu with < > < > and <START/
4
ENTER>.
If data of a standard adjustment are already available, the data of
the last standard adjustment are displayed. Here you can also
erase the data of an active standard adjustment.
Using < > < > and <START/ENTER>, select and start the Mea-
5
sure standard function.
The menu-guided standard measurement begins.
Follow the instructions on the display.
Enter nominal value
mg/l Cu
_
6
Enter the nominal value of the standard.
Note:
Enter the decimal separator with <START/ENTER>.
7
Confirm the entered nominal value with <START/ENTER>.
8
Insert a cell with standard (see section 4.2).
9
Start the measurement of the standard with <START/ENTER>.
After measuring, the result of the standard adjustment is displayed
and stored.
As the result, the measured value and the adjustment (in %) or Error
is displayed.
Operation
37

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