Pune polytronics pvt. Ltd.Supplies a range of electronic process control instruments and systems. The hardware specification of the process controller series pc-300 incorporates a variety of controllers for sophisticated systems. These electronic units receive signals from various devices and can offer relay contact, solid-state switch or 4-20 ma as output. Its activities include all types of control actions like on/off, time proportional on/off, pid and time based variable set point. These process controllers are extensively used in steel, cement, thermal power, engineering and various chemical plants.