Micro Systems & Controls manufactures Single Channel Process Indicator. Micro Systems & Controls is an ISO 9001:2000 certified company. Micro Systems & Controls supplies high quality display, measurement and control instrumentation for the process control industry, OEMs and system integrators. The Single Channel Process Indicator of model number MPI-200 is a low cost single channel process indicator. This model has 3« digits 7 segment LED display with red or green colour. It accepts inputs of mA DC, V DC and resistance [potentiometer]. This process indicator is designed for accurate measurement and display of pressure, flow, frequency, etc.