Air Dryer Test Bench As Per Attached Technical Specification & Schematic Diagram No.-1, Vide Technical Circular No. Rdso/2011/El/Tc/0108/Rev 0 Dt. 07.03.2011. Plc Based Model With Data Acquisition , Dedicated Software, Digital Display & Printing Facility [ Warranty Period: 30 Months After The Date Of Deliv Ery ] ]