eXact Eco-Check Instruction Manual page 4

Total Alkalinity Test Procedure
AL1
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NOTE: Alizarin Red S and citric acid react with the Total Alkalinity in the sample to form a red color directly proportional
to the alkalinity in the sample.
*NOTE: When testing outdoors (sunlight), for best accuracy, use the Mixing Cap/Cell Cover when Zeroing and Reading the sample.
REMOVE STRIP
Remove one (1) eXact
486641 from the bottle before beginning the test.
Set the strip in a dry, convenient place and recap
the bottle immediately.
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
stored reading in memory.
SELECT TEST: AL1
Press and re-press the MENU button until the
display shows the parameter AL1.
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
cell to capacity with the water sample.
ZERO METER*
Press the ZERO/ON button. The cursor will move
across the display, followed by 0.00 PPM.
The sample is ready for testing.
DIP STRIP AND PRESS "READ"
Dip the eXact ® Strip Micro AL, Part No. 486641 into the
CELL and immediately press READ. This starts the 20
SECOND countdown timer. During this time move the
strip in a gentle back and forth motion (approx. 2
strokes/sec). Remove and discard the strip after "1"
on the display disappears*. NOTE: For water tempera-
tures above 95°F/35°C, remove and discard the strip when
the timer displays "10", allow countdown to continue.
RECORD RESULT DISPLAYED
The cursor will move across the display while the meter
prepares to measure the sample. Record result displayed
(this result is automatically stored in AL1 Menu). After
testing is completed, rinse cell immediately.
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Strip Micro AL, Part No.
AL