PrimeLab 1.0 MULTITEST User Manual page 69

Chlorine
(11)
(free/combined/total)
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. Add a "DPD N° 1
Photometer" tablet to the sample in the cuvette.
5) Crush the tablet with a clean stirrer until it 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.
7) After the lapse of a 10 second countdown the determined result for "fCl"
(free chlorine) is displayed. Press button 4 to save the test result together
4
with date and 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.
* for very limey water or water samples with a high conductivity
36
0.00 - 8.00 mg/l
Name on device: 11-Chlorine-tab
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!
Possible messages in the line below the measurement value:
"low! / high! / good!":
"Overrange! / underrange!":
(Cl )
2
DPD N° 1 Photometer
*DPD N° 1 HC Photometer
DPD N° 3 Photometer
*DPD N° 3 HC Photometer
= continue with step 2)
= continue with step 4)
Tablet
(TbsPD1...)
(TbsPD1HC...)
(TbsPD3...)
(TbsPD3HC...)
Continued...
36