Metrohm 711 Liquino User Manual

Page 64

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3.2 Tutorial

711 Liquino, Instructions for use

58

Creating the GLP method

*

MODE

-

X

DOS NR

SELECT

P

The GLP mode must first be activated. This sets all method parameters

to standard values. Press the <MODE> key and then <SELECT> until
‘GLP’ appears in the display:

Di spl ay:

mode sel ect : GLP

ENTER

YES

Press <ENTER>. The instrument is now in the GLP mode.

Di spl ay:

GLP * * * * * * * *

r eady 0. 000 mL

PARAM

B



<ENTER>



<SELECT>

<ENTER>




<SELECT>






<ENTER>







<ENTER>



<ENTER>



<ENTER>

The <PARAM> key is used to access the parameter menu, where all

the possible settings for a GLP method can be found.

Di spl ay:

par amet er s

>GLP par amet er s

The submenu ‘GLP parameters’ contains the main settings for a GLP

method. Press <ENTER> to open the submenu.

Di spl ay:

>GLP par amet er s

dr i ve uni t : DOS1

The Dosino which is to be used can be chosen here with <SELECT>

(DOSx refers to the connection number on the 711 Liquino). Press
<ENTER> to accept the entry.

Di spl ay:

>GLP par amet er s

dos. uni t : def aul t

In this menu item the 711 Liquino is informed about the tubing of the

Dosino. Press <SELECT> until the dosing unit defined in the above
preparation step appears.

Di spl ay:

>GLP par amet er s

t emper at ur e 20. 00 ° C

Enter the temperature of the water to be added here. This value should

be as accurate as possible as it is used to calculate the density of the
water. Press <ENTER> to accept the value.

Di spl ay:

par amet er s

>GLP opt i ons

As the ‘>GLP parameters’ submenu contains no further menu items,

an automatic return is made to the submenu selection. Press
<ENTER> to open the submenu ‘GLP options’.

Di spl ay:

>GLP opt i ons

l i qui d: wat er

Press <ENTER> to confirm that "water" is the liquid to be added.

Di spl ay:

>GLP opt i ons

wei ght f r om: bal ance

Use <ENTER> to confirm that the balance is connected to the RS

interface and that the weight will be transmitted by the balance.

*)

*) If the balance cannot be or is not to be connected to the RS interface then the <SELECT> key should be
used to choose the entry ‘keyboard’. During the procedure each weight must be read off from the balance
and entered via the Liquino keyboard. (The next menu item ‘Balance-Id’ is skipped in this case!)

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