Operation
pHotoFlex
®
Turb
38
ba75976e07
09/2021
4.5.5 Standard adjustment (user calibration)
With some of the programs (methods) for concentration measurement, you
can optimize the calibration curve stored in the meter with the aid of the
Stan-
dard adjustment
function.
A standard adjustment is only valid if the deviation compared to the original
calibration is no more than 30%.
A standard adjustment is always stored for the program that is presently
called up. A standard adjustment is only deleted if
a new standard adjustment is carried out
the standard adjustment is erased manually
the meter is reset to delivery status (
Reset
function)
Standard adjust-
ment
8 Confirm the result with
<START/ENTER>
.
The blank value measurement is completed.
The meter is ready to measure.
or:
Discard the result with
<ESC>
.
Subsequently, carry out a new blank value measurement.
i
83: A6/25 MC
Cell
i
= 16 mm
i
Absorbance
= 0.301
i
Blank value mea-
surement
successful!
Measure blank value
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 standard applies only to the
selected program.
3 Open the
Photometry \ Adjustment
menu with
<CAL/ZERO>
.