Staperm Permanent Underground Ceramic Reference Electrodes by GMC

SKU#: GMC STAPERM Permanent Underground Ceramic Reference Electrodes
Permanent Ceramic Reference Electrodes for Underground and Concrete Encased Applications

Grouped product items

  • Description

    • Available in three sizes:
      15 sq. in, .83" dia. x 6" long
      28 sq. in1.5" dia. x 6" long
      33 sq. in., 1.75" dia. X 6" long.
    • Greater surface area than other standard electrodes allows greater accuracy readings.
    • Electrode does not dry out in arid soils. Moisture content change in soil has no effect on electrode.
    • Electrode has an infinite shelf life. Minimum service life is 30 years.
    • Copper-copper and zinc-zinc sulfate electrodes are equipped with advanced chloride ion trap to prevent chloride contamination.
    • All electrodes are side-reading.
    • All electrodes are color-coded for electrode type determination.

     

    STAPERM™ Model CU-1-UGPC
    Copper-Copper Sulfate (Cu-CuSO4)

    1pcugcu.jpg (26084 bytes)

    • Size: 1.5" dia. x 6" long space-age ceramic tube with yellow protective caps.
    • Lead Wire: 50' OF #14 RHH-RHW yellow.
    • Stability: +/- 5 millivolts with 3.0 microamp load.
    • Temperature Range: 32°F to 135°F ( 0°C to 57.2°C).
       

    STAPERM™ Model Zn-4-UGPC
    Zinc-Zinc Sulfate (Zn-ZnSO4)

    1pcugzn.jpg (26640 bytes)

    • Size: 1.5" dia. x 6" long space-age ceramic tube with red protective caps.
    • Lead Wire: 50' OF #14 RHH-RHW red or black
    • Stability: +/- 5 millivolts with 3.0 microamp load.
    • Temperature Range: 32°F to 135°F ( 0°C to 57.2°C).
       

    STAPERM™ Model AG-4-UGPC
    Silver-Silver Chloride (Ag-AgCl)

    1pcugag.jpg (27156 bytes)

    • Size: 1.5" dia. x 6" long space-age ceramic tube with blue protective caps.
    • Lead Wire: 50' of #14 RHH-RHW blue or black.
    • Stability: +/- 5 millivolts with 3.0 microamp load.
    • Temperature Range: 32°F to 135°F ( 0°C to 57.2°C).