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Radiometer Analytical REF321 Reference Electrode (Ag/AgCl reference, screw cap)

Product #: E21M002
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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).

  • The right probe for your application.

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