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Picture of Staperm Permanent Underground Ceramic Reference Electrodes by GMC

Staperm Permanent Underground Ceramic Reference Electrodes by GMC

Staperm Permanent Underground Ceramic Reference Electrodes by GMC
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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).
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