Pune polytronics offers a range of electronic process control instruments and systems. In order to provide service to special applications, series sp-900 is designed . Product range includescalibrator, telephone hooter, inverters for mobile applications, electronic ballasts for lighting applications, etc. This series also contains special purpose controllers designed for electromechanical automation, eg, automatic liquid/pouch/volumetric or powder filling machine controllers, automatic wrapping cuntrollers, different weighing systems and dedicated process logic controllers.