• Minimum 10-year service life.
• Indefinite shelf life.
• Indefinite stability.
• Available in three models: Cu-CuSO₄, Ag-AGCl, Zn-ZnSO₄.
• Color coded for quick and easy identification.
• Available with flat, rounded or pointed tip.
• Technologically advanced "ion trap" prevents chloride contamination of electrolyte.
• Never requires maintenance of any kind.
• High-impact resistant plastic electrode case will not deteriorate even in highly corrosive environments.
• Banana jack and wing nut connections sprovided.
• Complete installation instructions included.

Models
  

Copper-Copper Sulfate (Cu-CuSO4)
Permanent PORTABLE Reference Electrode

• Size: 2.25" (57 mm) diameter x 4" (102 mm) long high impact resistant yellow plastic electrode case.
• Stability: 10 millivolts with 3.0 microamp load.
• Temperature Range: +32oF to +135oF (0oC to +57.2oC).

Silver-Silver Chloride (Ag-AgCl)
Permanent PORTABLE Reference Electrode

• Size: 2.24" (57 mm) diameter x 4" (102 mm) long high impact resistant blue plastic electrode case.
• Stability: 10 millivolts with 3.0 microamp load.
• Temperature Range: +32^oF to +135^oF (0^oC to +57.2^oC).

Zinc-Zinc Sulfate (Zn-ZnSO4)
Permanent PORTABLE Reference Electrode

• Size: 2.25" (57 mm) diameter x 4" (102 mm) long high impact resistant red plastic electrode case.
• Stability: 10 millivolts with 3.0 microamp load.
• Temperature Range: +32oF to +135oF (0oC to +57.2oC).