procurement of spares of forbes marshall make vibration monitoring system of turbine and boiler auxiliaries of unit no . 5 , 1x500mw , sgtps , birsinghpur . procurement of spares of forbes marshall make vibration monitoring system of turbine and boiler auxiliaries of unit no . 5 , 1x500mw , sgtps , birsinghpur . , ( as per tender schedule ) , dual seismic monitor ( casing expansion sensor ) model:-ls 050tm , piezoelectric velocity transducer ( bearing vibration sensor ) model :- cv 861 , instrument rack model :-vm-5w1-1 , 2 core 10 mtrs extension cable with ss conduit with 2 pin connector model :- fm-extc-ss-010