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WHAT IS A CALLIBRATION? WHAT IS MEEAN BY LOOP CHECKING
INCLUDES PRESURE, THERMOCOUPLE,TT,DT?
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Answer Posted / narenkumar1985
LOOP CHECKING MEANS CHECKING THE CABLE LOOP FROM THE INST TO
MARSHALING PANEL AND TO PLC. WHEN INST GIVING O/P SIGNAL TO
CONTROL ROOM-PLC CHECKING WHETHER THE SIGNAL GOING TO
CORRECT PLC CHANNEL.
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