| Cat. No. | Description | PK | |
|---|---|---|---|
| 6232492 | Spare pH electrode Type 330, plastic / gel, BNC plug | 1 | |
| 6252721 | Redox electrode, plastic, BNC-plug | 1 | |
| 7672001 | Spare pH electrode Type 226, plastic / gel, BNC plug | 1 | |
| 7940203 | Spare pH electrode with integrated temperature sensor plastic / gel BNC-plug | 1 |