wtw Turb 555, Operating Manual

Page: 42 / 82

Operation Turb 555 / Turb 555 IR
42 ba41113e07 04/2009
16 Insert the 100 NTU calibration standard into the cu-
vette shaft.
17 Align the cuvette.
18 Press the
1
key.
During the calibration step, the
c
and
s
sym-
bols flash. The lower display line shows the remain-
ing measuring cycles until the end of the calibration
step. Then, the calibration step is carried out once
more.
19 Wait until the calibration step is finished.
The instrument asks you to insert the next calibration
standard (10.00 = 10 NTU).
20 Insert the 10 NTU calibration standard into the cu-
vette shaft.
21 Align the cuvette.