Metrohm 746 VA Trace Analyzer - Manual (Page 88)

4.1 Preparations
746 VA Trace Analyzer / 747 VA Stand
4-3
6 Inserting reference electrode Section 3.3.2
• Inserting reference electrode in measuring head
and connecting
7 Inserting Pt auxiliary electrode Section 3.3.2
• Inserting Pt auxiliary electrode in measuring head
and connecting
8 Filling MME Section 3.4
• Filling multi-mode electrode (MME) with mercury,
mounting capillary and filling
9 Inserting MME Section 3.3.2
• Inserting multi-mode electrode (MME) in measuring
head and connecting
10 Filling measuring vessel Section 3.3.2
• Filling measuring vessel with ca. 20 mL dist. H
2
O and
inserting
11 Connecting inert gas Section 3.3.3
4.1.3 Settings on the "VA TRACE ANALYZER" page
The settings necessary for startup of the 746 VA Trace Analyzer include setting the
date and time and contrast adjustment of the LCD. Proceed as follows:
1 Switch on instrument
• Switch on the 746 VA Trace Analyzer with mains switch 11 11 at the rear of
the instrument. The instrument is initialized. If all is in order and the 747
VA Stand is attached properly, the dialog page "MONITORING" appears
after a few seconds.
The 746 VA Trace Analyzer has a total of 17 different dialog pages which can all be
selected directly using the yellow keys of the same name. The dialog keys are divided
into four groups and can also contain additional subpages. You will find an overview of
the dialog keys in section 5.1.3 and details of the individual pages in sections 5.3
…5.6.
2 Switch to dialog page "VA TRACE ANALYZER"
• Press the yellow key. The "VA TRACE ANA-
LYZER" dialog page appears: