Metrohm 711 Liquino User Manual

Page 44

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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>.

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