Measuring The Concentration - wtw pHotoFlex STD Manual

Operation
32

4.5.3 Measuring the concentration

1 If necessary, press the <M> key several times until the measured pa-
rameter Concentration is selected.
First concentration measure-
ment with the pHotoFlex
Photometry \ Concentration
i Select program
with <PROG>
01.12.11 15:12
From the second concentration measurement, the data of the
program last used is automatically displayed here.
With < > < > you can quickly switch between the ten programs
last used.
To select a program, you can as an alternative also read in the program num-
ber of an analysis specification with a bar code reader (see section 8.2). The
following step three is skipped. You can directly start measuring.
The program number of the test is given in the analysis specification, in the
list of available programs and, with some tests, on the packing of the test (un-
der the bar code).
2 Open the Program number display with <PROG>,
enter the required program number with the number keys and con-
firm with <START/ENTER>.
or (from the second concentration measurement):
Select a program out of the last ten programs with < > < >. The
program data is displayed.
If a program number is selected that requires a measured blank
value, the menu automatically guides to the blank value mea-
surement.
Second and all further
®
STD concentration measurements
Photometry \ Concentration
i Select program
with <PROG>
or with
83: A6/25 MC
16 mm
pHotoFlex
▲ ▼
NH4-N
0.20 - 8.00 mg/l
01.12.11 15:12
ba75958e07
®
STD
11/2020