PrimeLab 1.0 MULTITEST User Manual page 65

Chloramines (Mono-/Di-)
(95)
Continued...
8) Remove the lid again and add a "DPD N° 2 Photometer" tablet into the
same sample you have just used for determining "fCl".
9) Crush the tablet with a clean stirrer until it is completely dissolved.
10) Replace the lid on the cuvette, swivel it carefully and insert it in the
sampling chamber of the PrimeLab. Align the arrow on the front of the
4
cuvette. Press TEST.
11) After the lapse of a 10 second countdown the total result is displayed
as „NH Cl" = „Mono-Chloramine". To scroll through the values please
4
used the arrow up and down buttons. Press button 4 to save the result.
12) Remove the lid again and add a "DPD N° 3 Photometer" tablet into
the same sample you have just used for determining „NH Cl".
13) Crush the tablet with a clean stirrer until it is completely dissolved.
14) Replace the lid on the cuvette, swivel it carefully and insert it in the
sampling chamber of the PrimeLab. Align the arrow on the front of the
4
cuvette. Press TEST.
15) After the lapse of a 2 minute countdown the total result is displayed,
divided in:
„fCl"
„NH Cl" = „Mono-Chloramine"
2
„NHCl " = „Di-Chloramine"
Scroll through the results using the buttons "arrow up" and "arrow down".
4
Press button 4 to save the result.
!
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.
32
Name on device: 95-Chloramines-tab
2
= „free chlorine"
2
Possible messages in the line below the measurement value:
"low! / high! / good!":
"Overrange! / underrange!":
0 - 8 mg/l
(fCl/NH Cl/NHCl )
Tablet
2 2
2
32