Note that thermal control circuit 310 may be used to convert the signal from thermocouple 305 into a digital signal if the signal from {HEAD ~ thermocouple} 305 is {TAIL ~ an analog signal} 
Note that thermal control circuit 310 may be used to convert the signal from thermocouple 305 into a digital signal if the signal from { HEAD ~ thermocouple } 305 is { TAIL ~ an analog signal }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL