Product Number: E21M002
The Radiometer REF321 Reference Electrode has a glass body, Ag/AgCl reference system, refillable electrolyte (3M KCl + sat. AgCl), and porous pin junction. The REF321 reference probe is recommended for measurements in general or challenging samples. The REF321 is a screw cap electrode and requires the CL111 cable (part no. A94L111) for compatibilty with Hach Sension+ Laboratory Meters (or any meter with a banana reference connection).
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.