GMC Reference Electrodes

Ceramic Reference Electrodes

Permanent Ceramic Reference Electrodes underground and concrete encased applications (space-age porous ceramic)·       S

Freshwater Reference Electrodes

·       Size: 1" dia. x 8" long ABS plastic high impact yellow tube·       Lead Wire:  Standard 50' of #14 RHH-RHW·     

Underground Reference Electrodes

Permanent Prepackaged Underground Reference Electrodes Use by Industry Since 1971·       Size:  2" dia. x 7" long high i

Contact Eliminator Reference Casing

The GMC "Contact Eliminator" is designed to be used in areas where electrode to earth electrical contact is questioned.

Heavy Portable Reference Electrodes

Liquid or Gelatin Filled, Porous Ceramic Contact Plug·       Liquid or Gelatin Filled·       Porous Ceramic Contact Plug

Permanent Thru-Wall Electrodes

TheGMC Staperm™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ ref

Portable Reference Electrodes

Features·       Color-coded for easy identification·       Infinite shelf life·       Minimum service life 20 years·    

Portable Salt Water Reference Electrode

The GMC AG-4-PT1portable electrodeis rugged for deep-water use and can be used in salt water and saturated saline water