tender for the following meters (total 82 no.) from the engine room are to be calibrated, certificate to be issued and same to be removed and fitted back. , ammeter/in msb (0-400 amps) , volt meter/ in msb (0-250 volts) , ohm meter/in msb (0-infinity) , am meter/in msb (0-1200 amps) , volt meter/ in msb (0-500 volts) , am meter/in msb (0-800 amps) , kw meter/in msb (0-400 kw) , frequency meter / in msb (45-55 hz) , am meter/in msb (0-1200 amps) , am meter/in msb (0-50 amps) , volt meter/ in msb (0-500 volts) , am meter/in msb (0-800 amps) , am meter/in msb (0-150 amps) , ohm meter/in msb (0-infinity) , kv meter / in ecr (0-1kv) , ka meter / ecr (0-1 ka) , am meter/ in ecr(50-0-50 amps) , pressure gauge / insepa room (0-4 bar) , sea water press ure guage / in ecr (0-4 bar) , fuel oil viscosity guage / in ecr (0-30 cst) , c.w pressure bowthruster / in ecr (0-100 centrugrede) , starting air pres bottle no-1 / in ecr ((0-40 bar) , starting air pres bottle no-2 / in ecr ((0-40 bar) , charging air pre diesel eng [1 to 5] / in ecr (0-25 bar) , c.w press before diesel eng [1to 5] / in ecr (0-4 bar) , c.w temp aft diesel eng[1 to 5/ in ecr] (0 to 100 centigrate) , lube oil press last bearing diesel eng [1 to 5 ] / in ecr (0 to 6 bar) , lub oil temp before diesel eng/ ecr (0 to 100 centigrate) , speed indication diesel [1 to 5] / in ecr (0 -1000[min-1] , speed indication shaft pt/ in ecr (200-0-200[min-1]) , speed indication shaft sb / in ecr (200-0-200 min-1]) , am meter / elect work shop (0-30amps) , am meter / elect work shop (0-15 amps) , volt meter / elect work shop (0 - 400v) , volt meter / elect work shop (0 - 30v) , am meter habour p/p eng room (0-180 amps) , am meter / in esb (0-60 amps) , volt meter/in esb (0-500v) , kw meter / in esb (0-400kw) , frequency meter / in esb (46-54 hertz) , am meter / in esb 90-800amps) , ohm meter /in ecr (0-infinity) , volt meter / in esb (0-250v) , am meter / in esb (0-100 amps) , kv meter / in esb (0-infinity) , am meter of core winch/ winch control room (0-15 amps) , am meter / purifier room (0-30 amps)