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Permanent Underwater Reference Electrodes
GMC STAPERM™
Permanent Fresh Water
Service Electrodes
In Use Since 1984. Quality You Can
Trust.
Features
- Color-coded for easy identification
- Infinite shelf life
- Minimum service life 20 years
- High impact ABS plastic housing
- Corrosive environment resistant
- Chloride ion trap equipped copper sulfate and zinc sulfate
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STAPERM™ Model CU-2-FW
For Fresh Water Service
Copper-Copper Sulfate (Cu-CuSO4)
- Size: 1" dia. x 8" long ABS
plastic high impact yellow tube
- Lead Wire: 50' of #14 RHH-RHW yellow wire.
- Stability: +/- 5 millivolts with 3.0
microamp load.
- Temperature Range: +32°F to 135°F.
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STAPERM™ Model Zn-4-FW
For Fresh Water Service
Zinc-Zinc Sulfate (Zn-ZnSO4)
- Size: 1" dia. x 8" long ABS
plastic high impact red tube
- Contac Plug: 1" diameter porous
ceramic
- Lead Wire: 50' of #14 RHH-RHW black or red
wire.
- Stability: +/- 5 millivolts with 3.0
microamp load.
- Temperature Range: +32°F to 135°F.
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