Fig. 26: Display [Calibration 10 NTU]
6. Remove the
[1000 NTU]
Calibration cuvette
7.
Place the
[10 NTU]
calibration cuvette in the DULCO
®
turb C so that the
marking ring marker points towards yourself, see
Ä „Indexing the standard solution with your cuvette“ on page 56
8. Slowly rotate the calibration cuvette 20° from the centre point to the left
and then 20° from the centre point to the right
ð
Leave the calibration cuvette in the position with the lowest measured
value.
Operation
62