PrimeLab 1.0 MULTITEST User Manual page 282

Total Oxidant
(108)
10 ml
24 mm
Measurement procedure:
The steps up to the selection of the parameter value to be determined are the same for all
procedures and described on page "TEST-5". Please observe the important notes for
accurate measurements on pages "TEST-8" and "TEST-9".
!
The individual steps of the measurement procedure are shown on the display.
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.
5) Add three drops of "PL DPD 1 A" and three drops of "PL DPD 1 B"
liquid reagent into the same cuvette.
6) Fill sample water into the same cuvette up to the 10ml level.
7) Add 3 drops "PL DPD 3 C" liquid reagent to the test liquid in the
cuvette.
8) Replace the lid. Swivel the cuvette to mix the liquid and the reagent
until this is competely dissolved. Press the TEST button and wait for the
4
end of the 2 minute countdown. The cuvette does not have to be inside
the sampling chamber at this time.
9) Unscrew the lid.
10) Add 3 drops "PL DPD Acidifying" liquid reagent to the test liquid in the
cuvette.
249
0 - 8 mg/l
Name on device: 108-Total-Oxid-liq
Use button 3 (arrow down) to scroll through the steps.
Use button 4 to skip the notes.
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!
(Cl )
2
PL DPD 1 A
(PL30DPD1A)
PL DPD 1 B
(PL30DPD1B)
PL DPD 3 C
(PL30DPD1A)
PL DPD Acidifying
PL DPD Neutralising
= continue with step 2)
= continue with step 4)
Liquid
(PL30DPDAcidif)
(PL30DPDNeutr)
Continued...
249