Supply Of Microprocessor Based Electronic Speed Indicating-cum-recording And Energy Monitoring System (esmon ) For Conventional Electric Locomotives As Per The Rdso Specification Noelrs/spec/spm/0002(rev.4) Dated 17.07.201 8 Or Latest.(wall Mounting Required To Be Supplied, Working Voltage :110v Dc {variation From70 V To 125 V}, Dial Rang E : 0 To 180 Kmph). [ Warranty Period: 30 Months After The Date Of Delivery ]