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GMC STAPERM™
Permanent Underground
Ceramic Reference Electrodes
Permanent Ceramic Reference Electrodes
for Underground and
Concrete Encased Applications (Space-Age Porous Ceramic)
In Use at GMC Corrosion Since 1984.
Quality You Can Trust.
Features
- 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 20 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.
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STAPERM™ Model CU-1-UGPC
Copper-Copper Sulfate (Cu-CuSO4)
- 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).
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STAPERM™ Model Zn-4-UGPC
Zinc-Zinc Sulfate (Zn-ZnSO4)
- 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).
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STAPERM™ Model AG-4-UGPC
Silver-Silver Chloride
(Ag-AgCl)
- 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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