bids are invited for custom bid for services - undertaking defect rectification calibration & fitment of instrumentations of all three da s fitted onboard ins kondul operation and maintenance of electro-mechanical instal operation and maintenance of electro-mechanical instal checks of rpm indicator and magnetic pick up sensor. (range 0 to 24 v and 0 to 1800 rpm), calibrate if defective checks of lub oil pressure indicator and transmitter (range 4 to 20 amp and 0 to 10 bar) calibrate if defective sets checks of coolant temperature indicator and sensor (range 4 to 20 amp and 0 to 150℃), calibrate if defective checks of lub oil temperature indicator and sensor (range 4 to 20.. amp and 0 to 150℃), calibrate if defective checks of sea water pressure indicator and transmitter (range 4 to 20 amp and 0 to 2.5 bar) calibrate if defective checks of ammeter (range 0 to 50 amps), calibrate if defective checks of voltmeter (range 0 to 30 volt), calibrate if defective total quantity :