The smaller sensor tip and thermistor have {HEAD ~ less mass} that must change temperature for {TAIL ~ the sensor} to respond 
The smaller sensor tip and thermistor have { HEAD ~ less mass } that must change temperature for { TAIL ~ the sensor } to respond
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH