Oxymax w cos41

Operating Instructions

Oxymax W COS41
Dissolved oxygen sensor

BA284C/07/en/04.04 51506691

Brief overview
Here is how to use these Operating Instructions to commission your sensor quickly and safely: Safety instructions Page 4 ff. Page 5 General safety instructions Explanation of the warning symbols You can find special instructions at the appropriate position in the chapter inquestion. The positions are indicated with the icons Warning #, Caution " and Note !. Æ Installation Page 7 ff. Page 10 ff. Æ Wiring Page 13 ff. Refer to theses pages for sensor wiring. Æ Sensor design and measuring principle Page 15 Page 16 ff. Page 16 ff. Here you can read about the sensor design. The measuring principle is explained on this page. Here you can find the possible calibration methods. ÆCommissioning Page 19 ff. The sensor must be polarised before calibration. Please, read on the given page how to do it. Æ Maintenance Page 20 ff. Page 21 ff. Page 26 It is absolutely essential to carry out maintenance tasks on a regular basis. Individual parts are subject to normal wear and tear. Here you can find out how to replace such parts. Here you can find an overview of the spare parts whichcan be delivered as well as an overview of the system. Æ Trouble-shooting Page 24 ff. If faults occur during operation, use the checklist to locate the cause. Æ Æ Index Page 29 ff. You can find important terms and keywords on the individual sections here. Use the keyword index to find the information you need quickly and efficiently. Here you can find installation conditions such as sensordimensions and the angle of installation. Installation examples can be found here.

Endress+Hauser

Oxymax W COS41

Table of contents
1
1.1 1.2 1.3 1.4 1.5

Safety instructions . . . . . . . . . . . . . . . . 4
Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation, commissioning and operation . . . . . . . . Operational safety . . . . . . . . . . . . . . . . . .. . . . . . . . Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Notes on safety icons and symbols . . . . . . . . . . . . . . 4 4 4 4 5

10
10.1 10.2 10.3 10.4 10.5

Technical data . . . . . . . . . . . . . . . . . . . 27
Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Performance characteristics . . . . . . . . . . . . . . . . . .Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mechanical construction . . . . . . . . . . . . . . . . . . . . 27 27 27 27 28

2
2.1 2.2

Identification . . . . . . . . . . . . . . . . . . . . 6
Product structure . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Scope of delivery . . . . . . .. . . . . . . . . . . . . . . . . . . . 6

Index . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3
3.1 3.2 3.3 3.4 3.5

Installation . . . . . . . . . . . . . . . . . . . . . . 7
Incoming acceptance, transport, storage . . . . . . . . . . 7 Installation conditions . . . . . . . . . . . . . . . . . . . . . . . 7 Installation instructions . . . . . . . . . . . . . . . . . . . . . . 8Installation examples . . . . . . . . . . . . . . . . . . . . . . . 10 Post-installation check . . . . . . . . . . . . . . . . . . . . . . 12

4
4.1 4.2 4.3

Wiring . . . . . . . . . . . . . . . . . . . . . . . . 13
Direct connection to the transmitter . . . . . . . . . . . 13 Connection via junction box . . . . . . . . . . . . . . . . . 13 Post-connection check . . . . . . . . . . . . . .. . . . . . . . 14

5
5.1 5.2 5.3

Operation . . . . . . . . . . . . . . . . . . . . . . 15
Sensor design . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Measuring principle . . . . . . . . . . . . . . . . . . . . . . . . 16 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6
6.1 6.2 6.3

Commissioning. . . . . . . . . . . . . . . . . . 19...