Metrohm MVA-21 - Manual (Page 5)

Application Bulletin 403/1 e
Installation instruction for MVA-21
Fig 8: Detailed view for the tubing connections of the dosing unit
waste port
3. viva Configuration
In addition to this application bulletin it is recommended to
have the following document available.
8.103.8010xx viva Tutorial CVS
In the following chapters it will be
referred to as Tutorial
3.1. Devices – 894 Professional CVS
The 894 Professional CVS is automatically recognized by
the viva software. When an instrument is connected for the
first time it needs to be entered in the viva «Configuration».
The corresponding dialogue will pop up automatically.
Device name* 894_1
* as used in the example method
For a step by step description please see the Tutorial
chapter «4.1.1 Configuring the instrument».
3.2. Sensors/Electrodes
With the software a set of electrodes is preinstalled in the
viva «Configuration». The following three electrodes have to
be present if the measuring command in the method is used
as specified in the viva method templates.
Sensor name Sensor type
Auxiliary electrode Auxiliary electrode
RDE RDE
Reference electrode Reference electrode
3.3. Dosing units
An 807 Dosing Unit attached to an 800 Dosino which is
connected to the 894 Professional CVS is automatically
recognized by the viva software. When the Dosing Unit is
connected for the first time it needs to be entered in the viva
«Configuration». The corresponding dialogue will pop up
automatically. For a step by step description please see the
Tutorial chapter «5.1.3 Configuring dosing units».
3.3.1. Dosing unit at 800 Dosino (1)
Dosing Unit name as used in the viva method templates.
800 Dosino (MSB 1) 894/D1 50mL VMS
Parameters for preparation
Dosing port Prep/empty Dosing port 2
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