1.1 Methods
Hardness, Calcium 2T
with Tablet
0 – 500 mg/l CaCO
3
1. Fill a clean vial (24 mm Ø) with 10 ml of 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 one CALCIO H No. 1 tablet straight from the
foil to the 10 ml water sample, crush the tablet using
a clean stirring rod and dissolve the tablet completely.
6. Add one CALCIO H No. 2 tablet straight from the foil
to the same water sample and crush the tablet using a
clean stirring rod.
7. Close the vial tightly with the cap and swirl gently several
times until the tablet is completely dissolved.
8. Place the vial in the sample chamber making sure that
the
marks are aligned.
9. Press TEST key.
Wait for a reaction period of 2 minutes.
After the reaction period is finished the measurement
starts automatically.
The result is shown in the display as Calcium Hardness.
Zero accepted
prepare Test
press TEST
prepare Zero
press ZERO
Countdown
2:00
1
9 1
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