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HI1413B
Glass-body, single junction, flat tip, Viscolene, non-refillable, combi-
nation pH electrode. Use: surface measurement.
ORP ELECTRODES
HI3131B
Glass-body, refillable, combination platinum ORP electrode.
Use: titration.
HI3230B
Plastic-body (PES), gel-filled, combination platinum ORP electrode.
Use: general purpose.
HI4430B
Plastic-body (PES), gel-filled, combination gold ORP electrode.
Use: general purpose.
Consult the Hanna Instruments General Catalog for more electrodes with
screw-type or BNC connectors.