Inhaltsverzeichnis - Mettler Toledo InPro6900 Bedienungsanleitung

4
Contents
1 Introduction................................................................5
2 Important notes ..........................................................6
2.1 Notes on operating instructions .....................................6
2.2 Intended use ...............................................................6
2.3 Safety instructions........................................................7
2.4 Examples of some typical applications...........................8
2.5 Use in Ex-zones...........................................................8
2.6 Ex-classification ATEX ..................................................9
2.6.1 Introduction.................................................................9
2.6.2 Rated data ..................................................................9
2.6.3 Special conditions......................................................10
2.7 Ex-classification FM approved .....................................11
3 Product description...................................................12
3.1 General information....................................................12
3.2 Principle ...................................................................12
3.3 Scope of delivery .......................................................12
3.4 Equipment features ....................................................13
4 Installation...............................................................14
4.1 Mounting the sensor...................................................14
4.2 Connection................................................................14
4.2.1 Connecting the InPro 6900 to a VP cable .....................14
4.2.2 Connecting the VP cable to the transmitter ....................15
5 Operation .................................................................16
5.1 Start-up and polarizing .............................................16
5.2 Calibration ................................................................17
5.2.1 Purpose of calibration ................................................17
5.2.2 What you have to know for calibration .........................17
5.2.3 Single point calibration ...............................................19
5.2.4 Dual point calibration .................................................19
6 Maintenance ............................................................20
6.1 Inspection of the sensor..............................................20
6.1.1 Visual inspection .......................................................20
6.1.2 Testing the METTLER TOLEDO O
InPro 6900 ...............................................................21
6.1.3 Testing the sensor via a transmitter ..............................22
6.2 Changing the electrolyte, the membrane body or
the interior body.........................................................23
7 Storage ....................................................................26
8 Product specification ................................................26
8.1 Certificates ................................................................26
8.2 Specifications ............................................................27
9 Ordering information.................................................28
9.1 Sensors ....................................................................28
9.2 Accessories...............................................................28
9.3 Spare parts ...............................................................29
9.4 Recommended transmitters.........................................29
9.5 Recommended housings ............................................29
10 Theory of the polarographic sensor ............................30
10.1 Introduction...............................................................30
10.2 Principle of the design of an oxygen electrode ...............31
10.3 Parameters determining current ...................................32
10.4 Polarization voltage ...................................................33
10.5 Temperature ..............................................................33
10.6 Dependence on flow...................................................34
10.7 Oxygen partial pressure - oxygen concentration ............35
InPro 6900
52 201 029
InPro 6900 Series O
Sensor-Master
2
© 12 / 15 Mettler-Toledo GmbH
Sensor 12 mm
2
Printed in Switzerland