Electro-Chemical Devices (ECD) HCA1 - Manual (Page 10)

4. 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 test.
Finally, fill cell to capacity (4mL) with the water sample.
5. Press the ZERO/ON button. The cursor will move across the display followed
by 0.00 PPM. Sample is ready for testing.
6. Dip the HCA1 Micro Strip PA (DPD-4) 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. When testing outdoors
(in sunlight), for best accuracy, use the Mixing Cap/Cell Cover when Zeroing
and Reading the sample.
7. The cursor will move across the display while the meter prepares to measure
the sample. Record result displayed (this result is automatically stored in PA5
Menu). After testing is completed, rinse cell immediately.
MENU HR8 High Range Chlorine Test Procedure
1. Remove (1) Micro HR Strip from the bottle before beginning the test. Place it
in a dry convenient place and recap the test strip bottle.
2. 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.
3. Press and re-press the MENU button until the display shows the parameter
HR8.
4. 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 test.
Finally, fill cell to capacity (4mL) with the water sample.
5. Press the ZERO/ON button. The cursor will move across the display followed
by 0.00 PPM. Sample is ready for testing.
6. Dip the HCA1 Micro Strip HR 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. When testing outdoors (in sunlight),
for best accuracy, use the Mixing Cap/Cell Cover when Zeroing and Reading
the sample.
7. The meter will begin counting up for 120 seconds, at the end of which the
cursor will move across the display while the meter prepares to measure the
sample. Record result displayed (this result is automatically stored in HR8
Menu). After testing is completed, rinse cell immediately.
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