A sensor device comprises a sensing component adapted to be connected to a monitoring system to send {TAIL ~ signals} associated with {HEAD ~ deformation} of a structural member 
A sensor device comprises a sensing component adapted to be connected to a monitoring system to send { TAIL ~ signals } associated with { HEAD ~ deformation } of a structural member
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH