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Reference Electrodes
GMC STAPERM™
Permanent Thru-Hull Reference
Electrodes
Available in Three Models:
Copper-Copper Sulfate,
Zinc-Zinc Sulfate, and Silver-Silver Chloride
Quality You Can Trust.
 The GMC STAPERM™ thru-hull mounting assembly is
designed to provide easy installation of special submersible STAPERM™ reference
electrodes. Each electrode comes complete with a test lead junction box, electrode sealing
system and 3/4" NPT threaded fitting for mounting directly through the structure
wall. The electrode can be readily removed and reinstalled from the exterior of the vessel
(not under pressure).
Specifications
- Minimum 20-year service life
- 1/2" x 6" long Teflon tube
mounted in high pressure packing gland
with 3/4 NPT.
- Pressure Rating 350 PSI
- Stability +/- 5 millivolts with 3.0
microamp load
- Temperature limit 140°F
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