Turbimax CUE25 / CUE26
Operation
Hauser
13
4.4.3
Calibration procedure
To perform a full range calibration, proceed as follows:
Step one:
1.
Press the
Ï
key to select the calibration function.
The "Cal" icon will illuminate on the display with "1000" flashing indicating the standard
required for this step of the calibration.
2.
Insert the requested 1000 NTU standard into the optical well and press down until the cuvette
snaps fully into the instrument. Align the indexing ring with the arrow on the instrument.
3.
Press and hold the
F
key and fine-tune the standard to the lowest value on the display by
slowly rotating it back and forth about 5°.
4.
Release the
F
key to initiate the calibration. The display will show a 30 second count down.
5.
When the instrument has completed calibration on the 1000 NTU, it will briefly display "1000"
to indicate that it was calibrated.
Step two:
1.
The instrument prompts for the 10 NTU standard with a flashing 10.0.
2.
Insert the 10 NTU standard into the optical well and press down until the cuvette snaps fully
into the instrument. Align the indexing ring with the arrow on the instrument.
3.
Press and hold the
F
key and fine-tune the standard to the lowest value on the display by
slowly rotating it back and forth about 5°.
4.
Release the
F
key to initiate the calibration. The display will show a 60 second count down.
5.
When the instrument has completed calibration on the 10.0 NTU, it will briefly display "10.0"
to indicate that it was calibrated.
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