14
pH (Salt Water) Test Procedure
1
TURN METER ON
Press the
ZERO/ON
button to power the meter on;
the display will show all annunciators, then the
current MENU selection, followed by the last
reading.
ADD REAGENT AND CAP
Shake the bottle of
eXact
®
Reagent P-pH, Part No.
486657
to mix the chemical in the bottle. Then, add two
(2) drops of eXact
®
Reagent P-pH to the cell and cap
meter cell with mixing cap.
READ RESULT DISPLAYED
When timer displays 1
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The
cursor will move across the display while the meter
prepares to measure the sample. Record result
displayed (this result is automatically stored in P11
Menu). After testing is completed, rinse cell immediately.
ZERO METER
Press the
ZERO/ON
button. When the display
shows
0.0 pH
, the sample is ready for testing. Tilt
the meter to discard about 0.2mL of water sample
in order to leave room for liquid reagent.
RINSE AND FILL CELL WITH SAMPLE
Rinse the
CELL
at least 3 times with the water
sample you will be testing - rinsing minimizes the
potential for cross-contamination from a previous
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sample.
SELECT TEST: P11
Press and re-press the
MENU
button until the
display shows the parameter
P11
.
P
P11
6
4
2
*
NOTE: When testing outdoors (sunlight), for best accuracy, use the Mixing Cap/Cell Cover when Zeroing and Reading the sample.
6
PRESS “READ” AND MIX
Press
READ
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cap, and mix the sample by turning the meter upside-
down repetitively during the
20 SECOND
countdown.
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5
3
NOTE: If NaCl value is greater than 3,000 ppm, then use this procedure.
If NaCl value is less than 3,000 ppm, then use Procedure on page 10.
