Inhaltsverzeichnis - Mettler Toledo InPro 6800 Serie Bedienungsanleitung

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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 Environmental protection ..............................................9
2.5 Examples of some typical applications ...........................9
2.6 Use in Ex-zones ........................................................10
2.7 Ex-classification ATEX ................................................11
2.7.1 Introduction ...............................................................11
2.7.2 Rated data ................................................................11
2.7.3 Special conditions .....................................................12
2.8 Ex-classification FM approved .....................................13
2.8.1 Introduction ...............................................................13
2.8.2 Rated data ................................................................14
2.8.3 Special conditions .....................................................14
2.8.4 Applied standards: .....................................................15
3 Product description ...................................................16
3.1 General information ...................................................16
3.2 Principle ...................................................................16
3.3 Scope of delivery .......................................................16
4 Installation ...............................................................19
4.1 Mounting the sensor ..................................................19
4.2 Connection ...............................................................20
4.2.1 Connecting the InPro 6800 to a cable ..........................20
4.2.2 Connecting the VP or AK9 cable to the transmitter ..........20
5 Operation .................................................................21
5.1 Start-up and polarizing ...............................................21
5.2 Calibration ................................................................22
5.2.1 Purpose of calibration ................................................22
5.2.2 What you have to know for calibration .........................22
5.2.3 Single point calibration ...............................................23
5.2.4 Dual point calibration .................................................24
6 Maintenance ............................................................25
6.1 Inspection of the sensor ..............................................25
6.1.1 Visual inspection .......................................................25
6.1.2 Testing the sensor with the METTLER TOLEDO
O Sensor - Master InPro 6800 ...................................26
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6.1.3 Testing the sensor via a transmitter ..............................27
6.2 Changing the electrolyte, the membrane body or the interior
body ........................................................................28
7 Storage ....................................................................31
8 Product specification ................................................31
8.1 Certificates ................................................................31
8.2 Specifications ............................................................32
9 Ordering information ................................................33
9.1 Sensors ....................................................................33
9.2 Accessories ...............................................................33
9.3 Spare parts ...............................................................34
9.4 Recommended transmitters .........................................34
9.5 Recommended housings ............................................34
10 Theory of the polarographic sensor ............................35
10.1 Introduction ...............................................................35
10.2 Principle of the design of an oxygen electrode ...............36
10.3 Parameters determining current ...................................36
10.4 Polarization voltage ...................................................37
10.5 Temperature ..............................................................37
10.6 Dependence on flow ..................................................38
10.7 Oxygen partial pressure - oxygen concentration ............39
InPro 6800
52 200 953 C
InPro 6800 O
© 02 / 2023 METTLER TOLEDO
Printed in Switzerland
Sensor 12/25 mm
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