eXact Micro 20 Instruction Manual page 18

Free or Total Chlorine test procedure
DPD–1 strip used for Free Chlorine detection, DPD–4 strip used for Total Chlorine detection
1
2
3
4
Follow the steps to 'SELECT CUSTOMER' & 'CONNECT DEVICE VIA BLUETOOTH' before
proceeding (see page 8).
5 5
6
7
IMPORTANT: DO NOT discard the sample from the Free Chlorine (DPD–1) test if you are planning to run eXact
DPD–3 (Total Chlorine) Procedure. Move directly to steps 8–10 on the next page, otherwise immediately rinse the CELL.
18
REMOVE STRIP
Remove 1 eXact Strip Micro CL (DPD–1), Part No. 486637
®
or eXact Strip Micro CL (DPD–4), Part No. 486670 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 button to power the meter on; the display will
show all annunciators, then the current
by the last reading.
SELECT GROUP AND MENU
Press and re–press the
(Select 1, 4, or 5). Then, press and re–press the
to select the CL1 or CL6 test parameter.
RINSE CELL AND FILL 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 test). Finally, fill the CELL to
capacity with the water sample.
ZERO METER*
Press the button. The cursor will move across the display
followed by a display reading of 0.00 PPM. This indicates the
sample is ready for testing.
DIP STRIP & PRESS READ
Dip the required strip into the CELL, and immediately press
This will start a 20 second countdown timer. During this time,
move the strip in a gentle back and forth motion (approx. 2
strokes per second). Remove and discard the strip after '1'
on the display disappears*.
RECORD RESULT
The cursor will move across the display while the meter
prepares to measure the sample. Record the value displayed
for the respective parameter. This value is automatically stored
in the CL MENU, and if using the eXact iDip
will be saved in the app's 'HISTORY'
*For best accuracy, when testing outdoors in sunlight, place cap over cell cover
selection, followed
button to Select your group
app, the result
®
button
Strip Micro
®