Product Catalog

Model 125

Cathodic Protection Monitoring Station


Monitors cathodic protection in all natural waters.


  • Model 125A: For Aluminum Hulls, Aluminum Structures & Components
  • Model 125S: For Steel Hulls, Steel or Iron Structures
  • Model 125B: For Fiberglass or Wood Hulls w/Bronze & Stainless Steel Components & Fittings


Allows potential corrosion problems to be spotted at a glance.


Model 125 Cathodic Protection Monitoring StationThese cathodic protection monitoring stations provide easy to read and interpret indications of protection level.


  • Easy to read analog panel meter display
  • Rugged, stable reference electrode
  • Easy to install
  • Accurate readings in all natural waters - seawater, brackish & fresh
  • Meter reads continuously - no push to read buttons
  • The -1 & -2 versions have a switch in the panel that allows for independent protection level readings of the shaft & propeller assembly or assemblies



125 Installation Kit Includes:


Monitoring Station: An aluminum panel w/color coded display that indicates the level of protection being provided by the cathodic protection system (either sacrificial anodes or impressed current) - the panel is 5 " long by 3 " high by 2 " deep.


Reference Cell:  RE-104 Reference Assembly - Zinc - 2 3/4" L x 1 3/4" W, 1/2" thru-hull penetration


Power Requirement: The 125 monitoring station operates on 12 to 24 volts DC