30
11. Fill the tube to the fi ll line with the
turbidity standard. Pour the standard
down the inside of the tube to avoid
creating bubbles. Cap the tube.
12. Wipe the tube thoroughly with a lint-
free cloth.
13. Open the meter lid. Insert the tube
into the chamber. Align the index line
on the tube with the index arrow on
the meter. Close the lid.
14. Press
ENTER
to select
Scan Sample
and scan the standard. The screen
will display
Reading
for about 1
second. The result will appear on the
screen.
“Overrange” will be displayed if
the reading is out of range. Dilute
the sample or select a mode that
is appropriate for the range of the
sample.
Turbidity WB (N)
0.99
NTU
Scan Blank
Scan Sample
12:00:00 001/500
15. Press
to scroll to
Calibrate
.
Turbidity WB
0.99
NTU
Scan Sample
Calibrate
12:00:00 001/500
CALIBRA
TION
