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Metrohm 746 VA Trace Analyzer User Manual

Page 191

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5.3 Set Up

746 VA Trace Analyzer / 747 VA Stand

5-40

Softkeys

Meaning

To ensure the correct initializing of 700 Dosinos, the volume

V.tube

in

of the tubing from the supply bottle to the Dosino and

V.tube out

of the tubing from the Dosino to the measuring vessel must be set.

To ensure the correct initializing of 685 Dosimats, the volumes

V.tube

in

and

V.tube out

must be set equal to the burette volume, so that

the burette cylinder is filled three times.

Fill

all

Fill all Dosimats/Dosinos

The burette cylinders of all Dosimats/Dosinos are filled at the set

Filling rate

.

Should the filling take longer than 30 s, the message

This operation

takes x.x minutes

appears. The filling operation can then be started

with or aborted with to increase the filling rate. Once a filling
operation has been started, it can no longer be aborted.

After the filling, the initial volume

V.init

is automatically delivered to

the measuring vessel.

Parameter

Range; Default value / Meaning

V.display

display only

Dispensed volume

Display in mL of the volume dispensed with the Dosimat/Dosino.

V.burette

display only

Burette volume

Display in mL of the burette volume of the exchange or dosing unit
mounted on the Dosimat/Dosino.

Type

display only

Dosimat type

Display of the attached Dosimat type:

685

685 Dosimat

700

700 Dosino

Position

dosing, exchange; dosing

Position of the Dosimat/Dosino

Display of the current position of the Dosimat/Dosino:

dosing

Dispensing position

exchange

Exchange position (exchange unit or dosing unit
can be changed)

If the Dosimat/Dosino is in the dosing position, it can be switched to
the exchange position by pressing

.

Gen.settings

display only

General settings

Title for the general parameters of the Dosimats/Dosinos.