PrimeLab 1.0 MULTITEST User Manual page 83

Chlorine Dioxide
(16)
Continued...
8) Crush the tablet with a clean stirrer to a fine powdery mass.
9) Fill in the prepared water from the first cuvette.
10) Replace the lid on the cuvette and swirl it carefully to mix the solution
well.
11) Replace the cuvette in the sampling chamber in the PrimeLab. Make
sure the arrow on the front of the cuvette is aligned. Press the TEST
4
button.
12) After the lapse of a 10 second countdown the determined result is
displayed. Press button 4 to save the test result together with date and
4
time on the device.
!
Assessment of the measurement value relative to the ideal range defined by you.
Measurement value for this parameter is outside the value range of this method.
B) Measurement procedure for "Chlorine dioxide without chlorine"
1) Fill 10ml of the sample water into a clean 24mm cuvette.
One-Time-Zero:
Measure new ZERO
Use last ZERO
1 2 3
!
2) Replace the screw lid on the cuvette and insert it into the PrimeLab
sampling chamber. Align the arrow on the front of the cuvette. Press
4
ZERO.
3) Remove the cuvette from the chamber and unscrew the lid.
4) Empty the cuvette except for a few drops. Add a "DPD N° 1
Photometer" tablet to the sample in the cuvette.
5) Crush the tablet with a clean stirrer until this is completely dissolved.
Fill the cuvette with the sample water up to the 10ml level.
6) Replace the lid on the cuvette, swirl it carefully and insert it into the
sampling chamber of the PrimeLab. Align the arrow on the front of the
4
cuvette. Press TEST.
50
0 - 15 mg/l
Name on device: 16-Chlorin-Dio-tab
Possible messages in the line below the measurement value:
"low! / high! / good!":
"Overrange! / underrange!":
If after switching on the device you have already performed the
ZERO (baseline) adjustment for the same type, the following
message is displayed:
-> Measure new ZERO
-> Use last ZERO
4
For the sake of precision select "Use last ZERO" only
if the stored ZERO value is used with the
same cuvette and the same water sample for the test!
(ClO )
2
= continue with step 2)
= continue with step 4)
Tablet
Continued...
50