
Oxygen Monitor SGM7.2.4/7.2.6 Content
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Table of contents
1 General information .................................................................................... 6
1.1 Introduction........................................................................................ 6
1.2 Copyright........................................................................................... 6
1.3 Commonly used symbols................................................................... 7
2 Application field .......................................................................................... 8
3 Safety regulations ....................................................................................... 9
4 Functional description .............................................................................. 10
4.1 Measuring principle ......................................................................... 10
4.2 General recommendation ................................................................ 11
4.2.1 Gas flow rate........................................................................ 11
4.2.2 Accuracy of the measurement.............................................. 12
4.2.3 Special features (operating hours counter and maintenance
interval) ........................................................................................... 12
5 Technical data ........................................................................................... 13
5.1 Characteristics................................................................................. 13
5.2 Mechanical data .............................................................................. 13
5.3 Electrical engineering/electronics .................................................... 13
5.3.1 General data ........................................................................ 13
5.4 Interface data .................................................................................. 14
5.4.1 Pump control........................................................................ 15
6 Composition of the oxygen monitor SGM7.2.4 ....................................... 16
6.1 General composition........................................................................ 16
6.1.1 General overview ................................................................. 16
6.1.2 Construction principle of the solid electrolyte sensor ............ 17
6.1.3 Electronic data processing ................................................... 18
6.2 Usage and connection elements...................................................... 19
6.2.1 Current supply...................................................................... 19
6.2.2 Front .................................................................................... 19
6.2.3 Rear ..................................................................................... 20
7 Installation and initiation .......................................................................... 21
7.1 Installation conditions ...................................................................... 21
7.2 Set-up of operating state ................................................................. 21
8 Operation and parametrization................................................................. 23
8.1 Operation......................................................................................... 23
8.1.1 Switch-on and measurement indication................................ 23
8.1.2 Gas flow adjustment............................................................. 23
8.1.3 Data monitoring.................................................................... 23
8.1.4 Indication of the end of maintenance interval for carbon filter23
8.1.5 Status and error messages .................................................. 24
8.2 Parametrization ............................................................................... 25