32
ANALYSIS WITHOUT BLANKING PROCEDURE
To obtain the most accurate results the meter should be blanked before measuring a
sample. The blanking step is not as critical for samples above 10 NTU. The meter should
always be blanked before reading samples below 10 NTU.
1.
Press and briefl y hold
to
turn the meter on. The LaMotte
logo screen will appear for about
3 seconds and the
Main Menu
will
appear.
Main Menu
Measure
Data Logging
Options
12:00:00 001/500
2. Press
ENTER
to select
Measure
.
Measure Menu
(N)
Turbidity - No Blank
Turbidity - With Blank
12:00:00 001/500
3. Press
ENTER
to select
Turbidity - No
Blank
.
Turbidity NB
(N)
Scan Blank
Scan Sample
12:00:00 001/500
4.
Rinse a clean tube (0260) three times
with the sample.
5.
Fill the tube to the fi ll line with the
sample. Pour the sample down the
inside of the tube to avoid creating
bubbles. Cap the tube.
ANAL
Y
SIS WITHOUT BLANKING PROCEDURE