wtw pHotoFlex STD Manual page 35

®
pHotoFlex STD
Blank value mea-
surement
ba75958e07 11/2020
1 If necessary, press the <M> key several times until the measured pa-
rameter Concentration is selected.
2 Select a program with <PROG> as necessary.
The following measurement of the blank value applies only to the
selected program.
3 Open the adjustment menu with <CAL/ZERO>.
Photometry \ Adjustment
Zero adjust.
Measure blank value
Delete blank value
Standard adjustment
Using < > < > and <START/ENTER>, select and start the Mea-
4
sure blank value function.
The menu-guided blank value measurement begins.
Follow the instructions on the display.
Measure blank value
i 83: A6/25 MC
Celli = 16 mm
i Insert blank sample
Start measurement
5 Insert a cell with blank sample (see section 4.2).
6 Start the measurement of the blank value with <START/ENTER>.
After measuring, the result of the blank value measurement is dis-
played and stored.
The result is displayed as i Blank value measurement
or i Blank value measurement
erroneous!.
Operation
successful!
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