Complete system, assembled and ready to install for the following applications: CTC: Cooling Tower Controller     POOL GUARD: three lines of Swimming Pool monitor mounted and connected on a plastic panel complying to all safety rules. pH, Rx and free chlorine residual     Complete system, assembled and ready to install for the following applications: CTC: Cooling Tower Controller     POOL GUARD: three lines of Swimming Pool monitor mounted and connected on a plastic panel complying to all safety rules. pH, Rx and free chlorine residual