PrimeLab 1.0 MULTITEST User Manual page 200

Nitrite (HR)
(97)
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 9 ml distilled water into a clean 24mm cuvette.
One-Time-Zero:
Measure new ZERO
Use last ZERO
1 2 3
!
2) Add precisely 1ml sample water to the same cuvette.
3) 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.
4) Remove the cuvette from the chamber and unscrew the lid.
5) Add a "Nitrite HR N° 1" tablet to the water sample in the cuvette.
6) Crush the tablet with a clean stirrer until it is completely dissolved.
7) Add one "Nitrite HR N° 2" tablet to the same cuvette.
8) Crush the tablet with a clean stirrer until it is completely dissolved.
9) 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.
10) After the lapse of a 2 minute countdown the determined result is
displayed. Press button 4 to save the test result together with date and
4
time on the device.
167
0 - 1500 mg/l
Name on device: 97-Nitrite-HR-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!
(NaNO )
2
Nitrite HR N° 1
(TbsHNiHR1...)
Nitrite HR N° 2
(TbsPNiHR2...)
= continue with step 3)
= continue with step 5)
Tablet
Continued...
167