wtw pHotoFlex STD, Руководство пользователя

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pHotoFlex
®
STD Operation
33
ba75958e07 11/2020
Display when the
measuring range
is exceeded or
undercut
3 Insert the cell (see section 4.2).
4 Start the measurement with <START/ENTER> .
Measurement is started. The result is displayed.
Photometry \ Concentration
i
Insert sample
i
Start measurement
with <START>
83: A6/25 MC NH4-N
16 mm 0.20 - 8.00 mg/l
01.12.11 15:12
Photometry \ Concentration
[ BV ]
0.74
mg/l
83: A6/25 MC NH4-N
16 mm 0.20 - 8.00 mg/l
01.12.11 15:12
A blank value measured by
the user is used
Display Meaning
"< [Lower limit of measuring
range]"
instead of the measured value Measuring range undercut.
Remedy: Select a test with a lower
measuring range
"> [Upper limit of measuring
range]"
instead of the measured value Measuring range exceeded.
Remedy: Select a test with a higher
measuring range or dilute the sample
Orientation value This value serves as an indication for
the selection of a suitable test or dilu-
tion.
If an evaluation of the measurement
signal is no longer possible (intensity
too high or too low), four bars appear
("----").