Radiometer Analytical REF451 Reference Electrode (calomel reference, double junction, screw cap)

Product #: E21M005
AUD Price (Incl. GST): Contact Hach

Contains mercury. Dispose of according to local, state and federal regulations.

The Radiometer REF451 Reference Electrode has a glass body, calomel reference system, refillable electrolyte (sat. KCl in inner reservoir), double-junction, and porous pin junctions. The REF451 reference probe is recommended for measurements in challenging samples. The REF451 is a screw cap electrode and requires an external connection cable for connection to a meter.

  • The right probe for your application.