1.1 Methods
Chlorine, free
with Vario Powder Pack
0.02 – 2 mg/l Cl
2
1. Fill a clean vial (24 mm Ø) with 10 ml of the water
sample, close tightly with the cap.
2. Place the vial in the sample chamber making sure that
the
marks are aligned.
3. Press ZERO key.
4. Remove the vial from the sample chamber.
5. Add the contents of one VARIO Chlorine FREE-DPD /
F10 Powder Pack straight from the foil to the water
sample.
6. Close the vial tightly with the cap and swirl several times
to mix the contents (approx. 20 seconds).
7. Place the vial in the sample chamber making sure that
the
marks are aligned.
8. Press TEST key.
The result is shown in the display in mg/l free
Chlorine.
Notes:
See page 41
prepare Zero
press ZERO
Zero accepted
prepare Test
press TEST
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