Metrohm 746 VA Trace Analyzer - Manual (Page 87)

4 Introduction to the operation
746 VA Trace Analyzer / 747 VA Stand
4-2
4.1 Preparations
In order to be able to perform the illustrative methods described in section 4.2 ff,
you must first put the 746 VA Trace Analyzer and 747 VA Stand into operation in a
proper manner. Proceed as described in section 4.1.1 and section 4.1.2 (you will
find information regarding the installation in the specified subsections of section 3).
Additional preparations required involve several instrument settings for the 746 VA
Trace Analyzer (section 4.1.3) and various tests for checking the 747 VA Stand
(section 4.1.4).
4.1.1 Installation of the 746 VA Trace Analyzer
When putting the 746 VA Trace Analyzer into operation for the first time, please pro-
ceed in the following sequence:
1 Setting up the instrument Section 3.1
2 Setting the mains voltage Section 3.2.1
3 Checking the fuses Section 3.2.2
4 Mains connection Section 3.2.3
5 Inserting paper Section 3.2.5
4.1.2 Installation of the 747 VA Stand
When putting the 747 VA Stand into operation for the first time, please proceed in
the following sequence:
1 Setting up the instrument Section 3.1
2 Attachment to 746 VA Trace Analyzer Section 3.3.1
3 Inserting dummy stoppers Section 3.3.2
• Inserting dummy stoppers in measuring head
4 Assembling stirrer Section 3.8
• Assembling stirrer and inserting in measuring head
5 Filling reference electrode Section 3.5
• Filling reference electrode with internal and bridging
electrolyte and screwing together
Internal electrolyte: KCl 3 mol/L (6.2308.020)
Bridging electrolyte: KCl 3 mol/L (6.2308.020)