procurement of spares of bentaly-nevada make vibration monitoring system of main turbine for unit. no.5,500mw,at sgtps, birsinghpur , bently nevada 3500 ac power supply 175-264 vac, 2.3 a, 47-63 hz part no.: 3500/15-02-02-00 , 3500/22m transient data interface module part no.: 3500/22-01-01-00 , 3500/50 tachometer module part no.: 3500/50-01-00-01 , probe 3300 8mm bently m 10x1 arm part no.: 330104-00-20-10-02-00 , ac lvdt with housing short range part no.: 36393-01 , 3300xl 25mm probe part no.: 330851-02-0-50-10-01-1n , 3300xl 8mm speed sensor part no.: 330104-12-25-10-01-00 , ss conduit with pvc coating preferable high temperature anaconda conduit along with glands for protection of sensor wire bn approved , 12 core triad armoured shielded control cable used from field to b/n vms panel bn approved