Metrohm Multi-Mode Electrode pro - Manual (Page 5)

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Table of contents
6.1246.120 Multi-Mode-Electrode pro
￭￭￭￭￭￭￭￭ III
Table of contents
1 Introduction 1
1.1 Instrument description ......................................................... 1
1.2 Intended use ......................................................................... 1
1.3 About the documentation ................................................... 2
1.3.1 Content and scope .................................................................. 2
1.3.2 Additional documentation ....................................................... 2
1.3.3 Symbols and conventions ........................................................ 2
1.4 Safety instructions ................................................................ 3
1.4.1 General notes on safety ........................................................... 3
1.4.2 Flammable solvents and chemicals ........................................... 4
1.4.3 Recycling and disposal ............................................................. 4
2 Overview 5
2.1 Construction of the MME pro .............................................. 5
2.2 Tools and auxiliary equipment ............................................ 6
3 Preparing the MME pro for use 9
3.1 Mounting the capillary ......................................................... 9
3.2 Inserting the needle ........................................................... 12
3.3 Filling in or refilling mercury ............................................. 14
3.4 Mounting the MME pro onto the measuring head ......... 16
3.5 Adjusting the needle valve ................................................ 16
3.6 Testing the electrode function .......................................... 18
4 Storing the MME pro 20
5 Maintenance 21
5.1 Small maintenance ............................................................. 21
5.1.1 Removing the MME pro from the measuring head ................. 21
5.1.2 Filling in or refilling mercury ................................................... 22
5.1.3 Replacing the capillary ........................................................... 23
5.1.4 Replacing the needle ............................................................. 26
5.1.5 Adjusting the needle valve ..................................................... 28
5.2 Large maintenance ............................................................. 30
5.2.1 Removing the MME pro from the measuring head ................. 30
5.2.2 Emptying the mercury reservoir .............................................. 30
5.2.3 Removing the capillary ........................................................... 31
5.2.4 Removing the needle ............................................................. 33
5.2.5 Cleaning the electrode body .................................................. 34