| Cat. No. | Description | PK | |
|---|---|---|---|
| 6270797 | Refill electrolyte (KOH), 100 ml | 1 | |
| 6272364 | Spare electrode with 2 m cable (platinum cathode/lead anode) | 1 | |
| 6272365 | Spare electrode with 10 m cable (platinum cathode/lead anode) | 1 | |
| 6272366 | Spare electrode with 30 m cable (platinum cathode/lead anode) | 1 | |
| 6272367 | Service Set for oxygen sensor incl. 3 spare membranes and 100 ml electrolyte solution (KOH) | 1 |