The MicroVision Controller series features innovative Toroidal sensor technology. Torodial sensors are not susceptible to fouling and eliminate the need for routine cleaning and calibration. MicroVision is designed specifically for cooling tower applications requiring multiple pump control and high end features. The MicroVision Boiler Controller delivers comprehensive boiler water control with ‘plug & play’ simplicity, at an outstanding value and is configured specifically for boiler water control and utilizes intuitive software which provides simple set-up, while providing state of the art maintenance of the water in your boiler. The MicroVision Timer is a microprocessor-based selectable timer controller.