34
3. Press
to scroll to
Turbidity -
With Blank.
Measure Menu
(N)
Turbidity - No Blank
Turbidity - With Blank
4. Press
ENTER
to select
Turbidity -
With Blank
.
Turbidity WB
(N)
Scan Blank
Scan Sample
12:00:00 001/500
5.
Rinse a clean tube (0260) three
times with the blank. If samples are
expected to read below 1 NTU the
meter should be blanked with a 0
NTU Primary Standard or prepared
turbidity-free (<0.1 NTU) water. For
the most accurate results, use the
same tube for the blank and the
sample.
6.
Fill the tube to the fi ll line with the
blank. Pour the blank down the inside
of the tube to avoid creating bubbles.
Cap the tube.
7.
Wipe the tube thoroughly with a lint-
free cloth.
ANAL
Y
SIS WITH BLANKING PROCEDURE