EVOQUA WALLACE & TIERNAN P7 ADVANCED Mode D'emploi page 42

P7 Advanced
Chlorine with Tablet
CL
d) Chlorine with Chlorine dioxide
Fill a clean vial (24 mm Ø) with 10 ml of the water sample and
0.0.0
perform zero calibration (see "Operation").
Remove the vial from the sample chamber and empty it.
Add one DPD No. 1 tablet straight from the foil and crush the tablet
using a clean stirring rod.
Fill a second vial to the 10 ml mark with the sample.
Add one GLYCINE tablet (note 8) straight from the foil and crush
the tablet using a clean stirring rod.
Close the vial tightly with the cap and swirl gently several times until
the tablet is dissolved.
Fill the content of the second vial in the prepared first vail.
Close the vial tightly with the cap and swirl gently several times to
mix the contents.
Place the vial in the sample chamber making sure that the
are aligned.
Zero
Press the [ZERO/TEST] key.
Test
The method symbol flashes for approx. 3 seconds.
CL
The display shows value G.
RESULT
Remove the vial from the sample chamber. Rinse vial and cap several
times. Fill the vial with a few drops of water sample.
Add one DPD No. 1 tablet straight from the foil and crush the tablet
using a clean stirring rod.
Add the water sample to the 10 ml mark. Close the vial tightly with
the cap and swirl gently several times until the tablet is dissolved.
Place the vial in the sample chamber making sure that the
are aligned.
Zero
Press the [ZERO/TEST] key.
Test
The method symbol flashes for approx. 3 seconds.
CL
The display shows value A.
RESULT
Remove the vial from the sample chamber.
Add one DPD No. 3 tablet straight from the foil to the same water
sample and crush the tablet using a clean stirring rod.
42
Methods
WT.050.311.000.DM.IM.0119
marks
marks