Temperature sensor (5)
I believe the answer is:
probe
(Other definitions for probe that I've seen before include "Intrusive device" , "Investigate closely" , "Poke into" , "Closely enquire into" , "Explore, examine" .)
I believe the answer is:
probe
(Other definitions for probe that I've seen before include "Intrusive device" , "Investigate closely" , "Poke into" , "Closely enquire into" , "Explore, examine" .)