wtw Turb 555 Operating Manual page 42

Operation
42
16 Insert the 100 NTU calibration standard into the cu-
vette shaft.
17 Align the cuvette.
1
18 Press the
During the calibration step, the
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.
key.
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Turb 555 / Turb 555 IR
s
and sym-
ba41113e07 04/2009