The sensing device preferably comprises a thermocouple which produces an electrical analog signal whose magnitude varies in {HEAD ~ proportion} to {TAIL ~ the sensed temperature} 
The sensing device preferably comprises a thermocouple which produces an electrical analog signal whose magnitude varies in { HEAD ~ proportion } to { TAIL ~ the sensed temperature }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL