It is a Micro Controller Based Technology and having 6 Digit 7 Segment Display or LCD Display on Request (optional) for output. The Front Panel programmable 4 Key pad arrangement for Data entry i.e., Set Values. It has the facility to set Field Programmable Inputs 4 mA to 20mA, 0 mA to 20 mA, 0 to 2 volts, and 0 to 4.99 volts. Tolerance selection possible in the order 0.1 to 50 % of the set values & Process value accuracy in the range of 0.01 of the full scale value. Two Set Points for Low set and High set (if required) and the Output low and high indication through front panel LED's. The Output relay contact rated for 230 Volts / 3 Amps and the Optional RS232/RS485 MODBUS Communication Protocol output provided on request