Nippon India supplies Single and Double Bargraph PID Controller. Nippon India manufactures and supplies Process Control Instrumentation, Automation and System Integration. The Single and Double Bargraph PID Controller is available with Universal Input, universal power supply having single and Dual independence universal sensor or single input with 2/4 alarm relay and 1/2 control output 51 led bargraph with digital display. The Single and Double Bargraph PID Controller is available with optional isolated communication interface RS 232/RS485/MODBUS-RTU.