Metrohm 711 Liquino User Manual
Page 44
3.2 Tutorial
711 Liquino, Instructions for use
38
<ENTER>
<ENTER>
the value with <ENTER>.
Di spl ay:
>>aux. sol ut . AFTER no1
f eed r at e max mL/ mi n
•
The rate of addition for the pH 10 buffer can be entered here. The max-
imum rate (default) is already correct. Press <ENTER>.
Di spl ay:
>>aux. sol ut . AFTER no1
f i l l r at e max mL/ mi n
•
This is the rate at which the Dosino cylinder will be refilled. The default
value (max) can be accepted with <ENTER>.
Di spl ay:
>>aux. sol ut . AFTER no1
wai t t i me 00: 00: 00
•
After the auxiliary solution has been added a waiting period can be
entered. However, this is not necessary after the addition of the pH 10
buffer. <ENTER> is used to accept the default value (00:00:00). In this
way the definition of the first auxiliary solution addition is completed.
Di spl ay:
>>aux. sol ut . AFTER no2
dr i ve uni t : of f
•
The second auxiliary solution can now be defined. The above steps are
repeated, this time for the addition of Cu-EDTA. The volume to be add-
ed is 1.000 mL, the waiting time 00:00:20 (20 s).
2x <QUIT>
<>
<ENTER>
<ENTER>
<SELECT>
<ENTER>
<ENTER>
•
The definition of the auxiliary solutions has now been completed. Press
<QUIT> 2x to return to the upper level of the submenu.
Di spl ay:
par amet er s
>SMPL dosi ng uni t s
•
<> is used to open the next submenu.
Di spl ay:
par amet er s
>SMPL cont r ol I / O
•
The submenu ‘>SMPL control I/O’ defines the interaction of the Liqui-
no with other instruments (e.g. Titrino). It is opened with <ENTER>.
Di spl ay:
>SMPL cont r ol I / O
sampl e changer ct r l : of f
•
Press <ENTER> to accept the default values.
Di spl ay:
>SMPL cont r ol I / O
ext . devi ce ct r l : of f
•
Use <SELECT> to choose the entry ‘on’ and confirm it with
<ENTER>.
Di spl ay:
>SMPL cont r ol I / O
st ar t ext . devi ce: r emot e
•
An external instrument can be addressed by both the Remote and the
RS interface. In this example it is easier to control the Titrino via the re-
mote interface. The default value is accepted with <ENTER>.
Di spl ay:
>SMPL cont r ol I / O
Answer back f r om: Remot e
•
The prompt from the Titrino after the titration should also be requested
via the remote interface. Confirm the default value with <ENTER>.