Zinc Zinc Sulfate ZN-6-TH

Permanent & Portable Reference Electrode for underground, concrete encased and water applications

• Space age porous ceramic.
• Greater surface area than other standard electrodes will allow readings achieved with greater accuracy.
• Electrode will 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 30+ years.

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).

• 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