Metrohm 900 - Parameters for Preparing (PREP) and Emptying (EMPTY)

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8 Titrants
900 Touch Control
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47
Cylinder volume
Cylinder volume of the dosing unit. It will be read out automatically on
dosing units with integrated data chips.
Selection 2 | 5 | 10 | 20 | 50
Default value 20
Serial no. cyl.
Serial number of the dosing cylinder. It will be read out automatically on
exchange or dosing units with integrated data chips. The number can be
changed manually at any time, e.g. when a cylinder is replaced.
Entry 8 digits maximum
[Valve disk]
Specifying the shift direction of the valve disk (see chapter 8.4.3, page
52).
[GLP test]
Defining the time interval for the GLP test (see chapter 8.6, page 56).
[PREP param.]
Entering the parameters for the preparation (see chapter 8.4.1, page
47).
[Tubing param.]
Entering the parameters for the connected tubing (see chapter 8.4.2,
page 49).
8.4.1 Parameters for preparing (PREP) and emptying (EMPTY)
Titrant: Edit ▶ Dosing unit ▶ PREP param.
In the dialog Dosing unit / PREP parameters, you can adjust the
parameters for the execution of the Prepare (command PREP) and
Empty (command EMPTY) functions. The Prepare function is used to
rinse the cylinder and tubing of the dosing unit and fill it air bubble-free.
You should carry out this function before the first determination or once a
day. The EMPTY function empties the cylinder and the tubings of the
dosing unit.
Dosing port PREP/EMPTY
Dosing port through which the cylinder contents are ejected.
Selection Dosing port 1 | Dosing port 2 | Fill port | Spe-
cial port
Default value Dosing port 1