9
before each test and the same tube should be used for the blank and the
reacted sample.
NOTE: For the best possible results, carry a reagent blank through the
procedure. After scanning the blank, perform the test procedure on clear,
colorless, distilled or deioized water. Subtract results of regent blank from all
subsequent test results.
CALIBRATION
STANDARDS
The meter should be calibrated with ortho phosphate standards. The
calibration should be done with a distilled or deionized water blank and
one phosphate standard of known concentration. The concentration of the
calibration standard should be similar to the expected concentration of the
sample that will be tested.
CALIBRATION PROCEDURE
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
Testing Menu
Editing Menu
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2. Press
ENTER
to select
Testing
Menu
.
All Tests
081 Phosphate LR
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3. Scroll to and select
081
Phosphate LR
from menu.
081 Phosphate LR
Scan Blank
Scan Sample
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Calibration
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