3.
Place the
[1000 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
4. 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.
Fig. 25: Display [Start calibration ]
5. Press the ↲-key in order to start calibration to
[1000 NTU]
ð
A 30 second countdown begins, after which the DULCO
®
turb C is
calibrated to
[1000 NTU]
.
Operation
61