Klingon word: jem
Part of speech: verb
Definition: sense, feel, perceive, detect
Source: qepHom 2017
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Describes both technological sensors and humanoid senses.

(qepHom 2017 p.13):  {jem} ... means "sense, feel, perceive, detect" and can be used in the way you describe, but also for a machine that detects something (like a smoke detector).

Lieven used it in his (non-canon) subtitles for Discovery:

  yInbogh Dep jemlaHbe' Hoqra'
  It's not registering as a lifeform. (DSC "Si Vis Pacem Para Bellum")

SEE ALSO:
Hot             touch,  feel (v)
largh           smell,  sense odors (v)
mum             taste,  sense flavors (v)
DuQ             touch (emotionally) (v)
nong            be passionate (v)
Hotlh           scan (v)

HotlhwI'        scanner (n)
noch            sensor (n)
Hoqra'          tricorder (n)

--
Voragh
Ca'Non Master of the Klingons