4 Dräger Polytron 8100
6 Maintenance...........................................................28
6.1 Maintenance intervals..............................................28
6.1.1 During commissioning .............................................28
6.1.2 Every 6 months........................................................28
6.1.3 Change sensor on demand .....................................28
6.2 Calibration ............................................................... 28
6.2.1 Zero Calibration ....................................................... 29
6.2.2 Span calibration.......................................................29
6.2.3 Auto Calibration ....................................................... 30
6.3 Troubleshooting....................................................... 31
6.3.1 Fault reference ........................................................31
6.3.2 Warning reference ...................................................32
6.4 Replacing the sensor...............................................33
6.5 Replacing the main electronics................................33
7 Factory default settings ........................................ 34
7.1 Settings which can be changed via the menu ......... 34
7.2 Fixed settings ..........................................................35
8 Sensor principle ....................................................36
9 Disposing the instrument .....................................36
10 Technical data........................................................37
10.1 Approvals................................................................. 37
10.1.1 ATEX, IECEx, UL, CSA ...........................................37
10.1.2 DIN EN 50104 for DrägerSensor O2 (6809720)...... 37
10.1.3 DIN EN 50104 for DrägerSensor O2LS (6809630) . 39
10.2 Marking....................................................................41
10.3 Signal transmission to central controller..................41
10.3.1 Analog signal ...........................................................41
10.3.2 HART digital communication ...................................41
10.4 Power supply and relays .........................................41
10.5 Physical specifications............................................. 41
10.6 Environmental parameters ......................................41
10.7 Environmental influences ........................................41
10.8 Tightening torque for instrument threads.................42
10.9 Tightening torque and size for field wiring terminals 42
11 Declaration of Conformity.....................................43
12 Control Drawing.....................................................44
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