Metrohm 726 Titroprocessor - Manual (Page 54)

3.4 Buret Buret units
726 Titroprocessor, Instructions for use 48 48
3.4.2 700 Dosino, dosing units
The tubing dimensions for dosing units:
Type
Name of the buret unit. Two types are already predefined.
(Default=standard tubing parameters, see above,
Changer
=standard tubing parameters for sample
changer applications, see above.)
Dosing tube
Length
Length (in cm) of the dosing tubing connected to port 1 of
the dosing unit.
Diameter
Inner diameter (in mm) of the dosing tubing connected to
port 1.
Aspiration tube
Length
Length (in cm) of the aspiration tube connected to port 2
of the dosing unit (=thicker connection on the bottom of
the dosing unit).
Diameter
Inner diameter (in mm) of the aspiration tube connected
to port 2.
Outlet
Where the reagent is disposed of after rinsing the buret
unit (PREP and EMPTY) is defined here.
'Tip'
= the total rinsing volume is ejected via the
dosing tip .
'Flask'
= the cylinder contents are returned to the
reagent bottle via port 4, the contents of
the dosing tubing is ejected via the dosing
tip.
The definition of a buret unit is only complete when all information has been
entered correctly.
Dosing unit viewed from below
Port 1
Port 4
Port 2
Port 0
Port 3