23
•
If the calibration is terminated, the display will briefly
show
“
Store...
”
and the two point calibration is saved.
The instrument returns to the main screen.
THIRD CALIBRATION POINT
•
Remove the second standard cuvette.
•
Place the cuvette for third calibration point:
•
100 FNU (NTU) calibration cuvette for NTU
ratiometric mode.
•
100 NTU formazin prepared standard for NTU
non-ratio and FNU modes.
•
750 NTU formazin prepared standard for FAU mode.
Note:
If necessary, press
UP
or
DOWN
key to edit each
calibration point value to match the exact value of the
standard as measured with a reference turbidimeter.
•
Close the lid and press
“Read”
functional key.
The display will show the value blinking and the light icon during
measurement.
•
At the end of the measurement, the fourth proposed calibration point is displayed.
•
At this moment it is possible to exit calibration by pressing
“End”
functional key.
•
If the calibration is terminated, the display will briefly
show
“
Store...
”
and the three point calibration is saved.
The instrument returns in the main screen.
