Product Number: B20B440
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.
To meet your analysis needs, Radiometer Analytical reference electrodes are available with a variety of reference systems and liquid junctions. There is a Radiometer electrode for every application.
*when applicable
Phase Out
Items with this label are at the end of their life cycle and may become obsolete in the future.
Obsolete
Items with this label are obsolete and unavailable through eCommerce.
If applicable, please view Replacement Product above or contact Hach Customer Service for further assistance.