The Radiometer XR440 Reference Electrode has a glass body, Red Rod reference system, refillable electrolyte (KNO₃, 1 M), ground joint, and fiber junction. The XR440 reference probe is recommended for Voltammetry applications. The XR440 is a screw cap electrode and requires an external connection cable for connection to a meter.
| Warranty | 12 months |
| What’s included? | Includes: Radiometer Analytical XR440 reference electrode with Certificate of Conformity. |

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