PrimeLab 1.0 MULTITEST User Manual page 281

Tannic acid
(91)
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 9ml 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 25 drops (1 ml) "PL Tannin 1" and 6 drops "PL Tannin 2" liquid
reagent to the sample liquid in the cuvette.
6) Replace the lid on the cuvette and swivel it carefully to mix the solution
well.
7) 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.
8) After the lapse of a 20 minute 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.
248
0 - 150 mg/l
Name on device: 91-Tannic-acid-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!
Possible messages in the line below the measurement value:
"low! / high! / good!":
"Overrange! / underrange!":
(Tan. Ac.)
PL Tannin 1
(PL65Tannin1)
PL Tannin 2
(PL30Tannin2)
= continue with step 2)
= continue with step 4)
Liquid
248